Pondmaster 500, 9" x 9", Dual Mechanical & Biological Filter Box, With Removable Filter Cartridge, Low Profile, Less Obtrusive In The Pond, Features A Larger Filter For Less Cleaning, Offers Mechanical, Chemical, & Biological Filtration, Filter Media Is Easily Changed, Quick Disconnect For Easy Removal From Pump, Can Be Used With Many Submersible Pumps, For Use With Pumps Up To 500 GPH, For In Pond Use Only.
Pondmaster PM1000, 12" x 12", Filter Box, With Locking Handle, Carbon & Polyester Media For Mechanical/Biological/Chemical Filtration, Connects To Intake Side Of Pump, Complete With 3/4" ID Tubing & Fittings, Connect More Than 1 To A Pump, For In Pond Use Only, Suitable For Small To Medium Ponds.
2 Part, Carbon & Coarse Replacement Filter Media, For Use With PM500 Pond Filter Kit, Filtration Helps Support Plant & Fish Life.
2 Part, Carbon & Coarse Replacement Filter Media, For Use With PM1000 & PM2000 Pond Filter Kits, Filtration Helps Support Plant & Fish Life.