Campbell Brady 1-1/2 In. Acetal Polymer Foot & Check Valve Pack options:Pack of 1 (1) non-through cut riving knife

(1) non-through cut riving knife

UL (Underwriters' Laboratories) listed for 3 hour fire door

25 year warranty - guaranteed to shed water

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but can also handle up to a 1/2 In

Campbell Brady 1-1/2 In. Acetal Polymer Foot & Check Valve Pack options:Pack of 1 (1) non-through cut riving knifePatented nose cone design reduces turbulence and allows maximum flow thru the valve. Made of Dupont Delrin with stainless steel spring and buna n seal, these valves can be installed in any position without impeding the function. Applications include water well systems, pool, and spa systems, irrigation systems, and other applications that require prevention of backflow and loss of prime. Remove strainer and valve may be used as check valve only.