The Gar-Ber Fuel Filter is a standard part of the Webasto Series diesel burner that's mounted on the Aqua Hot System. Maximum Firing Rate: 10 GPHMicron Removal: 10Working Pressure: 15 PSIFlow Rate: 45 GPHDimensions: 5.5"H x 3.75" dia. Aqua Hot Part No.: FLE-120-100 45 GPH max flow rate | Aqua Hot Gar-Ber Model R Spin-On Fuel Filter