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

while also neutralizing dangerous metals like copper or arsenic

UL Listed with thermal protection

concentrated form of Pure Pond

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)