Darlly Cartridge [50 sq ft, 2" MPT Bottom x 7" dia x 14-3/4" L] (70503) chemicalfeeders 1-3/4 inch hole size and

1-3/4 inch hole size and 2-5/8 inch face diameter

This replacement is especially useful when the original low flow heater has failed

This type of assembly is especially useful when the tank body remains serviceable and the goal is to restore the internal working structure with fewer separate parts to source

A properly selected Intermatic transformer helps preserve intended lighting performance and contributes to more dependable long-term system operation

Darlly Cartridge [50 sq ft, 2" MPT Bottom x 7" dia x 14-3/4" L] (70503) chemicalfeeders 1-3/4 inch hole size andThe Darlly 70503 filter cartridge is designed for compatible filtration systems that use 50 square feet of media with a 2 inch MPT bottom connection. With a 7 inch diameter and 14 3 4 inch length, this cartridge offers a practical combination of moderate filtration area and a larger threaded lower fitment for systems built around that connection style. Bottom connection size is a critical detail in cartridge replacement, especially when the housing