FPCHK687-12F12F-B,NO SPRING Check Valves - Plastic 125 140 Polypropylene Black Polypropylene Poppet Buna No Spring WFPCHK687-12F12F-B,NO SPRING Check Valves - Plastic 125 140 Polypropylene White Polypropylene Poppet Buna No Spring PVDFCHK687-12F12F-B,NO SPRING Check Valves - Plastic 125 140 PVDF (Kynar®) Black PVDF Poppet Buna No Spring FPCHK687-12F12F-E,NO SPRING Check Valves - Plastic 125 140 Polypropylene Black Polypropylene Poppet EPDM No Spring WFPCHK687-12F12F-E,NO SPRING Check Valves - Plastic 125 140 Polypropylene White Polypropylene Poppet EPDM No Spring PVDFCHK687-12F12F-E,NO SPRING Check Valves - Plastic 125 140 PVDF (Kynar®) Black PVDF Poppet EPDM No Spring FPCHK687-12F12F-F,NO SPRING Check Valves - Plastic 125 140 Polypropylene Black Polypropylene Poppet Fluoroelastomer (Viton®) No Spring WFPCHK687-12F12F-F,NO SPRING Check Valves - Plastic 125 140 Polypropylene White Polypropylene Poppet Fluoroelastomer (Viton®) No Spring PVDFCHK687-12F12F-F,NO SPRING Check Valves - Plastic 125 140 PVDF (Kynar®) Black PVDF Poppet Fluoroelastomer (Viton®) No Spring FPCHK687-12F12F-A,NO SPRING Check Valves - Plastic 125 140 Polypropylene Black Polypropylene Poppet Aflas® No Spring WFPCHK687-12F12F-A,NO SPRING Check Valves - Plastic 125 140 Polypropylene White Polypropylene Poppet Aflas® No Spring PVDFCHK687-12F12F-A,NO SPRING Check Valves - Plastic 125 140 PVDF (Kynar®) Black PVDF Poppet Aflas® No Spring FPCHK687-12F12F-B,<1LB Check Valves - Plastic 125 140 Polypropylene Black Polypropylene Poppet Buna Stainless Steel WFPCHK687-12F12F-B,<1LB Check Valves - Plastic 125 140 Polypropylene White Polypropylene Poppet Buna Stainless Steel PVDFCHK687-12F12F-B,<1LB Check Valves - Plastic 125 140 PVDF (Kynar®) Black PVDF Poppet Buna Stainless Steel FPCHK687-12F12F-E,<1LB Check Valves - Plastic 125 140 Polypropylene Black Polypropylene Poppet EPDM Stainless Steel WFPCHK687-12F12F-E,<1LB Check Valves - Plastic 125 140 Polypropylene White Polypropylene Poppet EPDM Stainless Steel PVDFCHK687-12F12F-E,<1LB Check Valves - Plastic 125 140 PVDF (Kynar®) Black PVDF Poppet EPDM Stainless Steel FPCHK687-12F12F-F,<1LB Check Valves - Plastic 125 140 Polypropylene Black Polypropylene Poppet Fluoroelastomer (Viton®) Stainless Steel WFPCHK687-12F12F-F,<1LB Check Valves - Plastic 125 140 Polypropylene White Polypropylene Poppet Fluoroelastomer (Viton®) Stainless Steel PVDFCHK687-12F12F-F,<1LB Check Valves - Plastic 125 140 PVDF (Kynar®) Black PVDF Poppet Fluoroelastomer (Viton®) Stainless Steel FPCHK687-12F12F-A,<1LB Check Valves - Plastic 125 140 Polypropylene Black Polypropylene Poppet Aflas® Stainless Steel WFPCHK687-12F12F-A,<1LB Check Valves - Plastic 125 140 Polypropylene White Polypropylene Poppet Aflas® Stainless Steel PVDFCHK687-12F12F-A,<1LB Check Valves - Plastic 125 140 PVDF (Kynar®) Black PVDF Poppet Aflas® Stainless Steel FPCHK687-12F12F-B,1-5LB Check Valves - Plastic 125 140 Polypropylene Black Polypropylene Poppet Buna Stainless Steel WFPCHK687-12F12F-B,1-5LB Check Valves - Plastic 125 140 Polypropylene White Polypropylene Poppet Buna Stainless Steel PVDFCHK687-12F12F-B,1-5LB Check Valves - Plastic 125 140 PVDF (Kynar®) Black PVDF Poppet Buna Stainless Steel FPCHK687-12F12F-E,1-5LB Check Valves - Plastic 125 140 Polypropylene Black Polypropylene Poppet EPDM Stainless Steel WFPCHK687-12F12F-E,1-5LB Check Valves - Plastic 125 140 Polypropylene White Polypropylene Poppet EPDM Stainless Steel PVDFCHK687-12F12F-E,1-5LB Check Valves - Plastic 125 140 PVDF (Kynar®) Black PVDF Poppet EPDM Stainless Steel