Replacement Filter Materials for Pondmaster® PM500 Filter Aqua Ultraviolet 1" air stone and a

1" air stone and a Styrofoam float for adjusting the depth of the air stone

UL Listed with thermal protection

Only the SP-6600 is left in stock

While the inner chamber handles mechanical filtration

Replacement Filter Materials for Pondmaster® PM500 Filter Aqua Ultraviolet 1" air stone and aReplacement filter media pads are available in various materials for the Pondmaster PM 500 filter system (#02205). All filter pads are approximately 9" x 9". #12211 Complete Cartridge with Original Media Included #12207 Combo 2 Pack: Carbon Pad and Coarse Pad (Replaces Original Media) #12208 Coarse Pad 2 Pack (Traps Larger Debris) #12210 Fine Polyester Pad 2 Pack (Filters Finer Debris)