O-ring for Big Blue housing

Overview

The O-BB O-Ring is a heavy-duty replacement seal designed specifically for Big Blue water filter housings. It forms a secure, watertight seal between the filter housing and cap, preventing leaks and ensuring consistent water filtration performance. Ideal for residential, commercial, and industrial filtration systems using 10" or 20" Big Blue housings.

Key Features

• Fits standard 10" and 20" Big Blue filter housings

• Thick, high-durability design for a reliable seal

• Prevents leaks and water bypass

• Chemical-resistant and long-lasting material

• Easy to replace during routine filter maintenance

Technical Specifications

• Model: O-BB

• Material: Food-grade rubber (EPDM or Buna-N depending on stock)

• Color: Black

• Application: Big Blue housing seal for 4.5" diameter filters

Applications

• Whole-house filtration systems

• Commercial water treatment units

• Reverse osmosis pre-filtration setups

• Industrial water purification installations

Why Choose the O-BB O-Ring

• Designed for a snug fit on Big Blue housings

• Maintains proper pressure and flow by ensuring a tight seal

• Pure Water 4 Life recommended for Big Blue-compatible systems

• Compatible with major Big Blue filter housing brands

Overview

The O-BB O-Ring is a heavy-duty replacement seal designed specifically for Big Blue water filter housings. It forms a secure, watertight seal between the filter housing and cap, preventing leaks and ensuring consistent water filtration performance. Ideal for residential, commercial, and industrial filtration systems using 10" or 20" Big Blue housings.

Key Features

• Fits standard 10" and 20" Big Blue filter housings

• Thick, high-durability design for a reliable seal

• Prevents leaks and water bypass

• Chemical-resistant and long-lasting material

• Easy to replace during routine filter maintenance

Technical Specifications

• Model: O-BB

• Material: Food-grade rubber (EPDM or Buna-N depending on stock)

• Color: Black

• Application: Big Blue housing seal for 4.5" diameter filters

Applications

• Whole-house filtration systems

• Commercial water treatment units

• Reverse osmosis pre-filtration setups

• Industrial water purification installations

Why Choose the O-BB O-Ring

• Designed for a snug fit on Big Blue housings

• Maintains proper pressure and flow by ensuring a tight seal

• Pure Water 4 Life recommended for Big Blue-compatible systems

• Compatible with major Big Blue filter housing brands