Twin System BIGBLUETWIN whole twin house 20” x 4” housings with 1” (25mm) ports. Preassembled and mounted on bracket. 1 x 5 micron sediment cartridge 1 x 10 micron carbon block 1 x spanner. mounting brackets used for whole of house for town water, rural and tank water situations. Includes spanner and mounting bracket. Max pressure: 620 kPa Single System SINGLE 20” x 4” housings with 1” (25mm) ports. Preassembled and mounted on bracket. 1x 5 micron sediment cartridge 1 x spanner. mounting bractets used for sediment removal of house for town water, rural and tank water situations. Includes spanner and mounting bracket. Max pressure: 620 kPa
