VITON O-Ring for Pentek 3/4 Black Nylon High Temperature Housings 151117. VITON O-Ring for Pentek 3/4 Black Nylon High Temperature Housings: Dynamically sealing self-cleaning Prevents leaks & cloggingVITON O-Ring for Pentek 3/4 Black Nylon High Temperature Housings: The Viton O-ring for Pentek Black Nylong High Temperature Housings is used for hot water applications or chemical applications. Compatible with Pentek Black Nylon High Temperature Housings with 3/4 inlet/outlet Compatible with #10 #12 and #20 housings VITON Construction NEW Dow 111 O-Ring Silicone Lubricant O-RINGS viton oring viton viton material vitin oring vitin o-ring viten oring viten o-ring oring for 10 12 20 standard housings o-ring for 10 12 20 standard housings