Culligan SW-3 Wrench for Big Blue Housings Save 6% Off

• Use the SW-3 filter wrench only for twisting off water filter housing canisters.
• Do NOT use the SW-3 housing wrench to secure the water filter canister to the water filter lid, damage may incur to o-ring.
• The SW-3 water filter wrench makes changing water filters easy.
• The SW-3 spanner wrench can be used with No.10 Big Blue whole house housings.
• The SW-3 wrench is slightly less than 6-Inch Wide. (Note: Width is less at the notches.)

I bought two of these because I read the reviews that they broke easily. Well, they do that. Both broke immediately. I wouldn''t buy these. Cheaply made and you might as well burn your money. I ended using an oil filter wrench and it worked like a charm.

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Housing wrench is made of plastic. It seems to work okay for now, but it would be better and stronger if it were made out of metal.

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Use this wrench to remove a hand tightened filter housing.

Use a new o-ring and tighten housing hand tight.