Simplified Product Title: Max Water O-Ring for BB Filter Housings, 10 & 20x4.5 (Double O-Ring)

These 2-piece Max Water BB O-rings are designed for 10-inch and 20-inch Big Blue water filter housings. They measure 4.5 inches in size and feature a double O-ring configuration. These O-rings are compatible with standard 10-inch or 20-inch Big Blue housings manufactured by Culligan, Ametek, Pentek, US Filter, Plymouth, Kleen Plus, and American Plumber.

Before purchasing, please ensure that the O-ring cross-section (CS) size matches your existing filter housing. These particular O-rings will not fit single O-ring filter housing models. It is essential to order the correct spare O-rings for your specific application.

The key dimensions of these O-rings are as follows: - Inside Diameter (ID): 5-5/8 inches - Outside Diameter (OD): 5.75 inches - Cross-Section (CS): 0.170 inches

If you are in need of 10-inch or 20-inch single O-ring replacements, please click here: 152015455855 (Model: 105465). These single O-rings are also compatible with standard 10-inch or 20-inch Big Blue housings from the aforementioned manufacturers.

Kindly double-check the size and quantity required before placing your order. This product is available in a pack of 2 pieces.

Please note that these O-rings are made from safe, non-toxic materials that have been thoroughly tested for quality and reliability.

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