The Ultraflow compact housing conversion kit is the standard housing for a pump assembly (or Ultraflow accessory) that does not include a filtration system or accessory point. 1 Ultraflow Compact Housing 1 Blind Cover 1 set of screws 1 set of instructions 1 ultraflow trigger Mounted in caravan wall to allow connection of Ultraflow submersible pump. No filter. Cut required for fitting is 60mm diameter hole. Requires 1 x 5mm and 1 x 6.6mm spade connection for wire terminals.