20" Blue Filter Housing individualfilter Systems should be running and

Systems should be running and making water for a few minutes before testing

2 Tank = 12" x 12" x 16" (Can be placed on its side)

This super easy plug and play PH Restructuring POD adds 5-15 ppm tds of calcium

Height: 22

This is our most popular type of system for our aquarium store's and large aquarium projects

20" Blue Filter Housing individualfilter Systems should be running and20" Blue Filter Housing 20" Blue Heavy Duty Filter Housings. Uses the standard 2. 5 inch by 20 inch filter cartridge. Standard Features This is a 20 inch slim line filter housings. Uses the standard 2. 5 inch by 20 inch filter cartridge. Twenty inch cartridges provide much greater flow rates with less pressure drop. The ports openings require a 3 8" fitting. You may also want to buy a stainless steel bracket so this can be mounted to a wall.