12" Extension for Mini & Small Pump Vault Couplings (SOCxSOC) This Medium AquaFalls Pad is

This Medium AquaFalls Pad is shaped like a trapezoid

and 6 diffusers for large or irregularly shaped ponds

Due to the filter size

Dosage Rates: Apply 1 fluid ounce per 300 gallons of water once a week

super efficient and requires no oil

12" Extension for Mini & Small Pump Vault Couplings (SOCxSOC) This Medium AquaFalls Pad isPhoto shows Extension on a Small Pump Vault, each sold separately. This 12" extension for the Small or Mini Pump Vault allows you to dig your reservoir deeper (great for tight areas) and still have easy access to the pump. 12" extension has a flange around bottom that slides right over the top edge of the mini & small vault. Multiple extensions can be used if needed.