Cartridge Set (4PK) Replacement Fits SwimClear® C-4025/C-4030 by Optimum Pool Technologies

Great pool supply guys!

Great products at a great price! These guys shipped my filters to my door at less than half of what Amazon was going to charge me. Shipping was free and fast! Excellent service!!!

Replacement Cartridges for Hayward Filter

Cartridges fit perfectly Should have replaced mine a long time ago. Pool is very clear. Appreciate them being on sale as well - bought an extra set.

Pool filters

They fit perfectly , and the pool guy’s service and staff are very helpful. I am very pleased and will refer my friend to use them for sure. Thanks pool guys.