Leakproof Couplers

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

  • Black or natural 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" Tube ID Black Nylon Coupler
Item 65598
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" Tube ID Black Nylon Coupler
Item 65602
0.6/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.6/Each
1/8" Tube ID Black Nylon Coupler
Item 65572
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
5/32" Tube ID Black Nylon Coupler
Item 64320
0.59/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.59/Each
3/16" Tube ID Black Nylon Coupler
Item 64321
0.76/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.76/Each
1/4" Tube ID Black Nylon Coupler
Item 64322
0.6/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.6/Each
5/16" Tube ID Black Nylon Coupler
Item 64323
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" Tube ID Black Nylon Coupler
Item 64324
0.6/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.6/Each
1/2" Tube ID Black Nylon Coupler
Item 64325
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
5/8" Tube ID Black Nylon Coupler
Item 64326
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" Tube ID Black Nylon Coupler
Item 64327
1.17/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
1.17/Each
1" Tube ID Black Nylon Coupler
Item 64328
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
3/16" Tube ID Natural Polypropylene Coupler
Item 64393
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
3/32" Tube ID Natural Polypropylene Coupler
Item 65600
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" Tube ID Natural Polypropylene Coupler
Item 65604
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
1/8" Tube ID Natural Polypropylene Coupler
Item 65574
0.69/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.69/Each
5/32" Tube ID Natural Polypropylene Coupler
Item 64392
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" Tube ID Natural Polypropylene Coupler
Item 64394
0.62/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.62/Each
1/16" Tube ID Natural Kynar® Coupler
Item 65603
0.74/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.74/Each
5/16" Tube ID Natural Polypropylene Coupler
Item 64395
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
3/8" Tube ID Natural Polypropylene Coupler
Item 64396
0.62/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.62/Each
1/2" Tube ID Natural Polypropylene Coupler
Item 64397
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" Tube ID Natural Polypropylene Coupler
Item 64398
0.69/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.69/Each
3/4" Tube ID Natural Polypropylene Coupler
Item 64399
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" Tube ID Natural Polypropylene Coupler
Item 64400
1.27/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
1.27/Each
5/32" Tube ID Natural Kynar® Coupler
Item 64435
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
3/16" Tube ID Natural Kynar® Coupler
Item 64436
1.69/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
1.69/Each
1/4" Tube ID Natural Kynar® Coupler
Item 64437
2.15/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
2.15/Each
5/16" Tube ID Natural Kynar® Coupler
Item 64438
2.31/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
2.31/Each
3/8" Tube ID Natural Kynar® Coupler
Item 64439
2.52/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
2.52/Each
1/2" Tube ID Natural Kynar® Coupler
Item 64440
4.43/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
4.43/Each
5/8" Tube ID Natural Kynar® Coupler
Item 64441
3.37/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
3.37/Each
3/4" Tube ID Natural Kynar® Coupler
Item 64442
4.2/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
4.2/Each
1" Tube ID Natural Kynar® Coupler
Item 64443
5.36/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
5.36/Each
5mm Tube ID Natural Nylon Metric Coupler
Item 95980
0.86/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.86/Each
5mm Tube ID Natural Kynar® PVDF Metric Coupler
Item 95982
1.68/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
1.68/Each
5mm Tube ID Natural Polypropylene Metric Coupler
Item 95981
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
6mm Tube ID Natural Nylon Metric Coupler
Item 95983
0.66/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.66/Each
6mm Tube ID Natural Kynar® PVDF Metric Coupler
Item 95985
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
6mm Tube ID Natural Polypropylene Metric Coupler
Item 95984
0.6/Each
Save 5% when you buy 50+
Save 10% when you buy 100+
Save 15% when you buy 300+
P-250
0.6/Each