20-0695-00 FCST, PUMPS NOT INCLUDED, EXTERNAL PUMPS The 20-0695-00 Fuel Cell Surge Tank is only available with pumps not included. It is designed to be used with inline electric pump(s) or a mechanical fuel pump. One or two -10AN (5/8") fuel pickups are used inside the surge tank. Each pickup uses a 100u (micron) filter. If two pickups are used, 20-0737 Distribution Block is recommended for pumps that use a 12AN inlet. The lift pump electrical and plumbing for this kit is set to be compatible with Walbro F90000267/274/285/295 fuel pumps. Radium Engineering recommends the Walbro F90000295 as a lift pump for maximum flow with a 14-0143 Filter Sock. Instruction PDF