10" Filter housing unit - heavy duty version Multi-purpose for WVO, biodiesel, water processing system, whole house filter, caravan, boat, RV, mobile home filter. I personally use several of them as a whole house unit and to process wvo. clear "see-through" design for quick visual inspection completely resistant to rust and corrosion 3/4" inlet/outlet pipe thread Withstands pressure to 125 psi heavy duty version Built-in manual bleed valve button Top seated "O" ring gasket fast cartridge change Brand new - never used Mounting bracket not included ($3.00 extra/each add to checkout total) Uses any standard 10" x 2.5" filter of your choice (sediment, carbon, etc) - not included.