Ensure a leak-free seal with the genuine Pentek 143216 replacement O-ring, specifically designed for ST Series stainless steel housings. This durable Buna-N O-ring provides excellent flexibility and abrasion resistance to maintain optimal housing performance.

• Designed specifically for Pentek ST Series stainless steel water filter housings
• Constructed from high-quality Buna-N for superior flexibility and abrasion resistance
• Provides a reliable seal between the housing sump and cap to prevent leaks
• Genuine OEM Pentek replacement part for guaranteed compatibility