Large AquaFalls Filter Pad Surface Aerators & Deicers It comes standard with a

It comes standard with a 25 psi pressure relief valve

This product is the Green Matala Filter Pad for the Small Aquafalls

It has a 1/2" male pipe thread connection and a recommended airflow of 0

The Small AquaFalls includes a filter support stand (used to keep filter pads off bottom

Large AquaFalls Filter Pad Surface Aerators & Deicers It comes standard with aThis product is the common Replacement Filter Pad For the Large AquaFalls. The common pad material is more difficult to clean than Matala material, but it is preferred by many for its amazing ability to trap small debris. This Large AquaFalls pad is shaped like a trapezoid, measuring 44"long on one end, 51" long on the other and 30" wide. 3 pads per Aquafalls are required.