Plumbing Supplies
Wound Sediment Filters 20" x 4.25" BB Large Diameter, WRAS Approved for Private Water Supplies, Bore Holes & Wells, Reverse Osmosis, Whole House Or Pre-UV (5 Micron)
Manufactured in the UK from high quality WRAS approved materials Suitable for use with drinking water applications and private supplies Available in either 5 or 25 micron ratings Excellent chemical compatability 20" x 4.25" BB large diameter,...
https://www.bizrate.co.uk/plumbingsupplies/wound-sediment-filters-20-x-oid32171236520.html