Pentair OMNIFilter OW50 Filter Housing Wrench for 10" Heavy Duty Water Filter Housings Black
Quality filter housings do a great job of keeping water leaks at bay, but they can be a real Bear to unscrew when it's time to install a new filter. Of course, you could drive all over town searching for a gigantic pipe wrench, or you could just pick up a wrench that fits your housing perfectly.
