Criez Durable Water Filter Wrench (6.38" Max Inner Diameter) for Big Blue-Style Filter Housings - Anti-Aging Opener Wrench for Whole House Water Filter Systems Using 4.5"x 10" or 4.5"x 20" Cartridges — Open-Box, 8% Off

【Important reminder】Before ordering, be sure to measure the filter's circumference according to Image 3, or measure the minimum base diameter of the filter according to Image 4. Otherwise, water filter wrench size incompatibility may occur.

【Product Dimensions】The water filter wrench has a maximum inner diameter of 6.38 inches, the inner diameter between the teech is 5.79 inches, and the thickness is 0.77 inches. It’s designed to work perfectly with Big Blue filter housings.

【Compatibility】 It’s compatible with most water filter housings that utilize 4.5-inch diameter filter cartridges. Please note that the 4.5-inch measurement refers to the internal cartridge size, not the external housing dimensions.

【Durable Construction】Crafted from high-quality PP material, this wrench boasts exceptional anti-aging properties, ensuring it resists wear, breakage, and deformation over time.

【Suitability】This wrench is fully compatible with Kintim RV and whole house water filters (ASIN: B093DR83RK, B0DG8FPFVN, B0CF5B4TFQ, B0CFXXNJ3D) as well as Hansing RV water filters (ASIN: B086XGDKB7, B0DG8J38BD).

This durable wrench for water filter housing is specifically designed for 4.5"x20" and 4.5"x10" standard filter housings, with a maximum inner diameter of 6.5 inches. Made from anti-aging polypropylene (PP) material, this wrench offers excellent durability and abrasion resistance, capable of withstanding the torque pressure of daily use over the long term. Whether you're replacing a whole house water filter system or a filter housing for an RV, this wrench provides a reliable operational experience, making your filter maintenance easier and more convenient.