Reduction Couplers

Ideal for flexible tubing, these fittings have a superior single-barb design that provides a leakproof seal.

  • Black nylon, natural polypropylene, or natural Kynar®
  • Nylon has good tensile strength for general applications
  • PP has good chemical resistance
  • Kynar® has good chemical & abrasion resistance
  • Kynar® is UV & ozone resistant
  • PFAS-free; Kynar® is BPA-free
  • Maximum pressure @ 70°F: 150 psi (nylon), 125 psi (PP) & 260 psi (Kynar®)
  • Temperature range: -50°F to 275°F (nylon), -9°F to 150°F (PP) & -80°F to 226°F (Kynar®)
  • Meets FDA standards; PP & Kynar® meet USP Class VI standards
  • Nylon is NSF 51 listed & Kynar® is NSF 51 & 61 listed
Item # Description Catalog Pg. Price Add to Cart
3/32" x 1/8" Tube ID Black Nylon Reduction Coupler
Item 65608
0.45/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.45/Each
1/16" x 3/32" Tube ID Black Nylon Reduction Coupler
Item 65605
0.47/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.47/Each
1/16" x 1/8" Tube ID Black Nylon Reduction Coupler
Item 65612
0.45/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.45/Each
5/32" x 1/8" Tube ID Black Nylon Reduction Coupler
Item 64270
0.83/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.83/Each
3/16" x 1/8" Tube ID Black Nylon Reduction Coupler
Item 64273
0.84/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.84/Each
3/16" x 3/32" Tube ID Black Nylon Reduction Coupler
Item 83283
0.68/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
Internet Only
0.68/Each
1/4" x 1/8" Tube ID Black Nylon Reduction Coupler
Item 64275
0.92/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.92/Each
1/4" x 5/32" Tube ID Black Nylon Reduction Coupler
Item 64276
0.84/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.84/Each
1/4" x 3/16" Tube ID Black Nylon Reduction Coupler
Item 64277
0.82/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.82/Each
3/8" x 1/8" Tube ID Black Nylon Reduction Coupler
Item 65945
0.92/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.92/Each
5/16" x 1/4" Tube ID Black Nylon Reduction Coupler
Item 64278
1.21/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
1.21/Each
3/8" x 1/4" Tube ID Black Nylon Reduction Coupler
Item 64279
0.89/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.89/Each
3/8" x 5/16" Tube ID Black Nylon Reduction Coupler
Item 64280
1.11/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
1.11/Each
1/2" x 1/4" Tube ID Black Nylon Reduction Coupler
Item 64281
0.85/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.85/Each
1/2" x 5/16" Tube ID Black Nylon Reduction Coupler
Item 64282
0.85/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.85/Each
1/2" x 3/8" Tube ID Black Nylon Reduction Coupler
Item 64283
0.91/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.91/Each
5/8" x 1/4" Tube ID Black Nylon Reduction Coupler
Item 64284
0.85/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.85/Each
5/8" x 5/16" Tube ID Black Nylon Reduction Coupler
Item 64285
1.07/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
1.07/Each
5/8" x 3/8" Tube ID Black Nylon Reduction Coupler
Item 64286
0.95/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.95/Each
5/8" x 1/2" Tube ID Black Nylon Reduction Coupler
Item 64287
0.85/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.85/Each
3/4" x 3/8" Tube ID Black Nylon Reduction Coupler
Item 64288
1.03/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
1.03/Each
3/4" x 1/2" Tube ID Black Nylon Reduction Coupler
Item 64289
1.28/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
1.28/Each
3/4" x 5/8" Tube ID Black Nylon Reduction Coupler
Item 64290
1.23/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
1.23/Each
1" x 1/2" Tube ID Black Nylon Reduction Coupler
Item 64291
1.01/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
1.01/Each
1" x 5/8" Tube ID Black Nylon Reduction Coupler
Item 64292
1.35/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
1.35/Each
1" x 3/4" Tube ID Black Nylon Reduction Coupler
Item 64293
1.35/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
1.35/Each
1/16" x 3/32" Tube ID Natural Polypropylene Reduction Coupler
Item 65607
0.55/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.55/Each
1/16" x 1/8" Tube ID Natural Polypropylene Reduction Coupler
Item 65614
0.55/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.55/Each
3/32" x 1/8" Tube ID Natural Polypropylene Reduction Coupler
Item 65610
0.55/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.55/Each
5/32" x 1/8" Tube ID Natural Polypropylene Reduction Coupler
Item 64365
0.9/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.9/Each
3/16" x 3/32" Tube ID Natural Polypropylene Reduction Coupler
Item 65361
0.73/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.73/Each
3/16" x 1/8" Tube ID Natural Polypropylene Reduction Coupler
Item 64368
0.92/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.92/Each
1/4" x 1/8" Tube ID Natural Polypropylene Reduction Coupler
Item 64370
0.9/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.9/Each
1/4" x 5/32" Tube ID Natural Polypropylene Reduction Coupler
Item 64371
0.9/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.9/Each
1/4" x 3/16" Tube ID Natural Polypropylene Reduction Coupler
Item 64372
0.91/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.91/Each
5/16" x 3/16" Tube ID Natural Polypropylene Reduction Coupler
Item 65765
0.73/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.73/Each
5/16" x 1/4" Tube ID Natural Polypropylene Reduction Coupler
Item 64373
0.95/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.95/Each
3/8" x 1/8" Tube ID Natural Polypropylene Reduction Coupler
Item 65946
1.04/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
1.04/Each
3/8" x 1/4" Tube ID Natural Polypropylene Reduction Coupler
Item 64374
0.97/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.97/Each
3/8" x 5/16" Tube ID Natural Polypropylene Reduction Coupler
Item 64375
0.93/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.93/Each
1/2" x 1/4" Tube ID Natural Polypropylene Reduction Coupler
Item 64376
1.12/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
1.12/Each
1/2" x 5/16" Tube ID Natural Polypropylene Reduction Coupler
Item 64377
0.95/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.95/Each
1/2" x 3/8" Tube ID Natural Polypropylene Reduction Coupler
Item 64378
1.07/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
1.07/Each
5/8" x 1/4" Tube ID Natural Polypropylene Reduction Coupler
Item 64379
0.95/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.95/Each
5/8" x 5/16" Tube ID Natural Polypropylene Reduction Coupler
Item 64380
0.95/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.95/Each
5/8" x 3/8" Tube ID Natural Polypropylene Reduction Coupler
Item 64381
0.95/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.95/Each
5/8" x 1/2" Tube ID Natural Polypropylene Reduction Coupler
Item 64382
0.95/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.95/Each
3/4" x 3/8" Tube ID Natural Polypropylene Reduction Coupler
Item 64383
1.08/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
1.08/Each
3/4" x 1/2" Tube ID Natural Polypropylene Reduction Coupler
Item 64384
0.95/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.95/Each
3/4" x 5/8" Tube ID Natural Polypropylene Reduction Coupler
Item 64385
1.09/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
1.09/Each
1" x 1/2" Tube ID Natural Polypropylene Reduction Coupler
Item 64386
1.25/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
1.25/Each
1" x 5/8" Tube ID Natural Polypropylene Reduction Coupler
Item 64387
1.25/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
1.25/Each
1" x 3/4" Tube ID Natural Polypropylene Reduction Coupler
Item 64388
1.25/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
1.25/Each
1/16" x 3/32" Tube ID Natural Kynar® Reduction Coupler
Item 65606
0.78/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.78/Each
1/16" x 1/8" Tube ID Natural Kynar® Reduction Coupler
Item 65613
0.78/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.78/Each
3/32" x 1/8" Tube ID Natural Kynar® Reduction Coupler
Item 65609
0.78/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.78/Each
5/32" x 1/8" Tube ID Natural Kynar® Reduction Coupler
Item 64503
1.53/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
1.53/Each
3/16" x 1/8" Tube ID Natural Kynar® Reduction Coupler
Item 64506
1.56/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
1.56/Each
1/4" x 1/8" Tube ID Natural Kynar® Reduction Coupler
Item 64508
2.11/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
2.11/Each
1/4" x 5/32" Tube ID Natural Kynar® Reduction Coupler
Item 64509
2.08/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
2.08/Each
1/4" x 3/16" Tube ID Natural Kynar® Reduction Coupler
Item 64510
2.1/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
2.1/Each
5/16" x 1/4" Tube ID Natural Kynar® Reduction Coupler
Item 64511
2.21/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
2.21/Each
3/8" x 1/8" Tube ID Natural Kynar® Reduction Coupler
Item 65947
2.51/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
2.51/Each
3/8" x 1/4" Tube ID Natural Kynar® Reduction Coupler
Item 64512
2.35/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
2.35/Each
3/8" x 5/16" Tube ID Natural Kynar® Reduction Coupler
Item 64513
2.37/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
2.37/Each
1/2" X 1/4" Tube ID Natural Kynar® Reduction Coupler
Item 64514
2.79/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
2.79/Each
1/2" x 5/16" Tube ID Natural Kynar® Reduction Coupler
Item 64515
2.83/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
2.83/Each
1/2" x 3/8" Tube ID Natural Kynar® Reduction Coupler
Item 64516
2.87/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
2.87/Each
5/8" x 1/4" Tube ID Natural Kynar® Reduction Coupler
Item 64517
2.95/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
2.95/Each
5/8" x 5/16" Tube ID Natural Kynar® Reduction Coupler
Item 64518
3.06/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
3.06/Each
5/8" x 3/8" Tube ID Natural Kynar® Reduction Coupler
Item 64519
3.12/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
3.12/Each
5/8" x 1/2" Tube ID Natural Kynar® Reduction Coupler
Item 64520
3.2/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
3.2/Each
3/4" X 3/8" Tube ID Natural Kynar® Reduction Coupler
Item 64521
3.62/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
3.62/Each
3/4" x 1/2" Tube ID Natural Kynar® Reduction Coupler
Item 64522
3.82/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
3.82/Each
3/4" x 5/8" Tube ID Natural Kynar® Reduction Coupler
Item 64523
4.01/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
4.01/Each
1" x 1/2" Tube ID Natural Kynar® Reduction Coupler
Item 64524
4.71/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
4.71/Each
1" X 5/8" Tube ID Natural Kynar® Reduction Coupler
Item 64525
4.88/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
4.88/Each
1" x 3/4" Tube ID Natural Kynar® Reduction Coupler
Item 64526
5.17/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
5.17/Each