Hach 2755250 5-in-1 Water Quality Test Strips (Pack of 50) & Spa Filters Take note of the length

Take note of the length of the pool/spa cartridge

RC-EZ-4 Level 4 replacement filter cartridge

Description 2  Hose Stems 2  Worm Clamps 1  Female Valve Connector 1  9-Gallon Precharged Surge Tank

The D30A filter also fits and works with the Culligan US-560 and CTR-210 systems

Hach 2755250 5-in-1 Water Quality Test Strips (Pack of 50) & Spa Filters Take note of the lengthHach 5 in 1 water quality test strips are great for quick, on site evaluations of water quality with reliable results on every strip. The 27552 50 contains 50 individual strips that test for five water quality measurements all on one strip. These test strips test for free chlorine, total chlorine, total hardness, total alkalinity, and pH levels. Specifications: Quantity: 50 strips Perfect for service work, classroom demonstrations, or to give to