Create up to an 18 ft

The filter pads and media offer a high surface area that traps suspended debris and provides natural biological filtration with beneficial bacteria

Unique Kasco water-deflecting nozzle design delivers superior clog-resistance

and forget about it until the thaw

The easy-to-follow wiring diagram and the easy-to-set design makes this a perfect timer for both residential and commercial applications

Atlantic Replacement Filter Mat for BF1900 warrannty-1Year Create up to an 18Atlantic Replacement Filter Mat for BF1900 Replacement Filter Mat for Atlantic BF1900 FilterFalls biological pond filter. This filter mat is composed of Bio Tech Filter Media that provides surface area for beneficial bacteria to grow to naturally support your pond or water garden. Product Dimensions 19 x 17 x 2 inches