4 Pk Whole House Water Filter O-Ring Omni U30 Pentek Omnifilter (from

Keep your Omni / Pentek / Omnifilter water system performing at its best 💙 with this set of 4 brand-new, premium replacement O-rings. These high-quality seals create a tight, reliable fit to stop leaks, maintain pressure, and keep your filtration system running smoothly. Perfect for regular maintenance, quick repairs, or preventive care — a simple way to extend the life of your housing.

From Birch Tree Alley™ – Trusted eBay Seller for Over 25 Years 💚

• Compatible with Omni / Pentek / Omnifilter filter housings
• Ensures a durable, watertight seal for long-lasting performance
• Flexible rubber resists cracking, stretching, and wear
• Includes 4 brand-new O-rings – perfect for spares or replacements
• Designed for quick, easy installation

✨ Why Buy From Birch Tree Alley™
🚀 Fast Shipping – We process orders quickly so your item gets out the door without delay.
🌟 Trusted Service – Over 25 years of reliable selling and exceptional care.
💯 Shop With Confidence – If it’s not right, we’ll make it right. Every order is handled with honesty and respect.

Dimensions: ID 3.359″ (≈ 3 ⅜″) × OD 3.640″ (≈ 3 ⅝″) × CS 0.139″ (≈ ⅛″)
Keywords: Omni / Pentek / Omnifilter O-ring, water filter seal, replacement gasket, rubber O-ring, leak prevention, whole house filtration parts