10"x4.5" Big Blue Tank Housing + Sediment Pleated Water Filter. Only available with 1" [actually measures 30mm] inlet + outlet ports | All have pressure release valve. Includes 1x pleated washable reusable sediment water filter + 316 stainless steel bracket * Spanner also included. If you require a specific micron rating please make a note when checking out or we will send according to current stock levels. All housings manufactured from high quality food grade plastics and all our filters and systems have the relevant nsf.org, wqa.org or fda.gov quality standard approvals. Accommodates all standard 10"x4.5" standard water filter cartridges. This water filter system carries a full 12 month warranty on all parts supplied in the original order, subject to our standard terms and conditions listed in our operating manual. According to regulatory standards any water filter system under constant water pressure is required to be fitted with an AS3497 approved pressure reducing valve and back-flow prevention device.