Ensure a leak-free seal with this genuine Pentek 143339 replacement head nut gasket. Designed specifically for ST series stainless steel housings, it is engineered to handle high pressures with ease. This Buna-N gasket provides excellent flexibility and abrasion resistance for long-lasting performance.

• Genuine OEM replacement head nut gasket for Pentek ST series stainless steel housings
• Compatible with American Plumber, Ametek, Pentek, and US Filter ST-1, ST-2, and ST-3 models
• Constructed from high-quality Buna-N for superior flexibility and abrasion resistance
• Engineered to withstand high pressures and prevent leaks in water filtration systems