Replacement O-Ring Kit for Big Blue Housing Seals

Ensure leak-free performance and proper pressure sealing with this 6-piece O-ring replacement set for the 3-stage 20-inch Big Blue filter housing system.

Product Features:

• High-Quality EPDM Material: Durable and chemical-resistant for long-lasting performance.

• Double O-Ring Design: Provides superior sealing for each housing to prevent leaks.

• OEM Compatible: Designed to fit standard 20-inch Big Blue filter housings.

What’s Included:

• 6 x O-Rings (suitable for 3-stage system – 2 per housing)

Application:

• Suitable for use with all standard 20-inch Big Blue housings

• Compatible with H2O Warehouse 3-stage filtration units (with or without UV)

Benefits:

• Restores original sealing performance of filter housings

• Prevents water leaks and maintains pressure integrity

• Easy to install during regular filter maintenance

Notes:

• Replace O-rings whenever housing is opened or if signs of wear/cracking appear

• Always apply food-grade silicone lubricant to O-rings before reinstalling