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
Item 65598	3/32" Tube ID Black Nylon Coupler 0.38/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	P-236	0.38/Each In Stock
Item 65602	1/16" Tube ID Black Nylon Coupler 0.54/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	P-236	0.54/Each In Stock
Item 65572	1/8" Tube ID Black Nylon Coupler 0.38/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	P-236	0.38/Each In Stock
Item 64320	5/32" Tube ID Black Nylon Coupler 0.53/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	P-236	0.53/Each In Stock
Item 64321	3/16" Tube ID Black Nylon Coupler 0.69/Each Out of Stock (On Order) Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	P-236	0.69/Each Out of Stock (On Order)
Item 64322	1/4" Tube ID Black Nylon Coupler 0.54/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	P-236	0.54/Each In Stock
Item 64323	5/16" Tube ID Black Nylon Coupler 0.83/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	P-236	0.83/Each In Stock
Item 64324	3/8" Tube ID Black Nylon Coupler 0.54/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	P-236	0.54/Each In Stock
Item 64325	1/2" Tube ID Black Nylon Coupler 0.87/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	P-236	0.87/Each In Stock
Item 64326	5/8" Tube ID Black Nylon Coupler 0.97/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	P-236	0.97/Each In Stock
Item 64327	3/4" Tube ID Black Nylon Coupler 1.11/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	P-236	1.11/Each In Stock
Item 64328	1" Tube ID Black Nylon Coupler 1.49/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	P-236	1.49/Each In Stock
Item 64393	3/16" Tube ID Natural Polypropylene Coupler 0.85/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	P-236	0.85/Each In Stock
Item 65600	3/32" Tube ID Natural Polypropylene Coupler 0.48/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	P-236	0.48/Each In Stock
Item 65604	1/16" Tube ID Natural Polypropylene Coupler 0.48/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	P-236	0.48/Each In Stock
Item 65574	1/8" Tube ID Natural Polypropylene Coupler 0.62/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	P-236	0.62/Each In Stock
Item 64392	5/32" Tube ID Natural Polypropylene Coupler 0.85/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	P-236	0.85/Each In Stock
Item 64394	1/4" Tube ID Natural Polypropylene Coupler 0.56/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	P-236	0.56/Each In Stock
Item 65603	1/16" Tube ID Natural Kynar® Coupler 0.68/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	P-236	0.68/Each In Stock
Item 64395	5/16" Tube ID Natural Polypropylene Coupler 0.87/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	P-236	0.87/Each In Stock
Item 64396	3/8" Tube ID Natural Polypropylene Coupler 0.56/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	P-236	0.56/Each In Stock
Item 64397	1/2" Tube ID Natural Polypropylene Coupler 1.01/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	P-236	1.01/Each In Stock
Item 64398	5/8" Tube ID Natural Polypropylene Coupler 0.62/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	P-236	0.62/Each In Stock
Item 64399	3/4" Tube ID Natural Polypropylene Coupler 1.03/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	P-236	1.03/Each In Stock
Item 64400	1" Tube ID Natural Polypropylene Coupler 1.21/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	P-236	1.21/Each In Stock
Item 64435	5/32" Tube ID Natural Kynar® Coupler 1.5/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	P-236	1.5/Each In Stock
Item 64436	3/16" Tube ID Natural Kynar® Coupler 1.63/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	P-236	1.63/Each In Stock
Item 64437	1/4" Tube ID Natural Kynar® Coupler 2.09/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	P-236	2.09/Each In Stock
Item 64438	5/16" Tube ID Natural Kynar® Coupler 2.25/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	P-236	2.25/Each In Stock
Item 64439	3/8" Tube ID Natural Kynar® Coupler 2.46/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	P-236	2.46/Each In Stock
Item 64440	1/2" Tube ID Natural Kynar® Coupler 4.43/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	P-236	4.43/Each In Stock
Item 64441	5/8" Tube ID Natural Kynar® Coupler 3.32/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	P-236	3.32/Each In Stock
Item 64442	3/4" Tube ID Natural Kynar® Coupler 4.14/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	P-236	4.14/Each In Stock
Item 64443	1" Tube ID Natural Kynar® Coupler 5.3/Each Out of Stock (On Order) Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	P-236	5.3/Each Out of Stock (On Order)
Item 95980	5mm Tube ID Natural Nylon Metric Coupler 0.8/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	NEW	0.8/Each In Stock
Item 95982	5mm Tube ID Natural Kynar® PVDF Metric Coupler 1.62/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	NEW	1.62/Each In Stock
Item 95981	5mm Tube ID Natural Polypropylene Metric Coupler 0.84/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	NEW	0.84/Each In Stock
Item 95983	6mm Tube ID Natural Nylon Metric Coupler 0.6/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	NEW	0.6/Each In Stock
Item 95985	6mm Tube ID Natural Kynar® PVDF Metric Coupler 2.04/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	NEW	2.04/Each In Stock
Item 95984	6mm Tube ID Natural Polypropylene Metric Coupler 0.54/Each In Stock Save 5% when you buy 50+ Save 10% when you buy 100+ Save 15% when you buy 300+	NEW	0.54/Each In Stock