Pentair System:2 Mod Media PLM Series PLM300 300 SqFt Modular Media Filter 50 psi 150 gpm. Sta-Rite®s modular media filtration is the perfect match for both the inground and aboveground pool markets. Advances in media technology and balanced flow design provide dirt-loading capabilities up to 15 times greater than sand filters of equivalent size. Virtually maintenance-free operation for todays pool owner. The small diameter footprint makes the System:2™ filter a perfect fit for new and retrofit installations. The interchangeable ports provide multiple plumbing options. Modular filter tanks allow for quick change of filter media without changing the tank. Contemporary style and matte black finish looks attractive in any pool setting.