Unicel 4CH-949 Replacement Filter Cartridge | 50 sq. ft. | Spa Skimmer Spa Chemical Balancers As Metal Klear is a

As Metal Klear is a phosphate-free formula

Make additions of 2-4 fluid ounces of this product per 10

Balance the water: pH should be 7

⚠️ IMPORTANT: INDIVIDUAL CARTRIDGE — FOUR REQUIRED PER SYSTEM

PTFE based

Unicel 4CH-949 Replacement Filter Cartridge | 50 sq. ft. | Spa Skimmer Spa Chemical Balancers As Metal Klear is aThe Unicel 4000 Series 4CH 949 delivers 50 sq. ft. of filtration surface area across 210 precision pleated folds of 3 oz. Reemay 2033 polyester media purpose built for top load spa skimmer systems using a 1 1 2" male SAE stand pipe. The 2" female SAE threaded bottom cap threads directly onto the standpipe for a secure, tool free installation, while the v groove semi circular handle allows easy cartridge removal without breaking the seal prematurely.