Spanner for Big Blue Filter (4.5×10″)
- Big Blue Filter Housing Spanner
- Filter Spanner for 4.5″ x 10″ or 20″ housings
Water Filters and Softeners at Manufacturer Prices
Big Blue Water Filter Housing Service Spanner Used to open the sump on Big Blue water filter housings.
Available in 3 sizes , Pentair 10″ big blue(SW3) , Pentair 20″big blue (SW4) and NON Pentair (Royal Blue) big blue vessels
Made from high quality durable plastics.
A filter housing spanner is an essential tool for opening a filter housing after it has been sealed for a period of time.