Durable & Sturdy: This water filter wrench for whole house filter is made of reinforced plastic. The water filter wrench 6.38" is specifically designed for a perfect fit with Big Blue filter housings.
As a practical water filter wrench, it’s designed to work perfectly with Big Blue filter housings. 【Suitability】This wrench is fully compatible with Kintim RV and whole house water filters as well as Hansing RV water filters.
Each strip tests for total hardness from 0 to 1,000 ppm (parts per million) with sensitivity indicators at 0, 40, 80, 120, 1800, 2, 5, 7, 11, 15, 25, and 58 gpg (grams per gallon). What's in the Box?.
