Aqua-Tech EZ-CHANGE FILTER CARTRIDGE – Makes Aquarium Water Sparkle. Custom Designed for 10 & 10-20 Power Filter and Hartz Model HM-1 Filter. Changes in Seconds, no assembly required, more carbon works faster and longer.
Carbon Filter Aquarium
Hartz HM-1 Filter
Aqua-Tech 10 10-20
3 Filters
