JAFM Pro-Series Small Pump Vault Built heavy duty to withstand the pressure of being buried under rock The slots cut in the sides allow water into the pump Can be used with JAFME extension(s) that allow for deeper reservoir 30″ long intake tubes are available to increase flow capacity up to 10,000 gph from 7,500 gph standard Max Flow Rate: 125gpm/7500gph Dimensions: 16"W x 16"L x 22"H JAFME JAFT/JAFM Pump Vault Extension Allows you to dig your reservoir deeper (great for tight areas) and still have easy access to the pump Flange around bottom slides right over the top edge of the mini vault Multiple extensions can be used if needed Dimensions: 12"T JAFV Pro-Series Large Pump Vault Built heavy duty to withstand the pressure of being buried under rock The slots cut in the sides allow water into the pump Can be used with JAFVE extension(s) that allow for deeper reservoir 30″ long intake tubes are available to increase flow capacity up to 23,000 gph from 18,000 gph standard Max Flow Rate: 300gpm/18000gph Dimensions: 24"W x 24"L x 32"H JAFVE Pump Vault 18" Extension (fits JAFL/JAFV) Extension for JAFV and JAFL pump vaults 20″ diameter x 18″ tall Dimensions: 20" Diameter, 20" Tall