This filter fits some Vita Spas manufactured by DM Industries..It features a 2" MPT thread which measures about 2 3/8" across the threads and is 8 1/2" wide x 7" Tall...
This part is a Vita Spa Filter, Cartridge, 50sqft, 1-7/8"ot, 2-3/8"ob w/slot, 8-1/2", 7-1/4"..
Some of these have PVT50W cast into the top of bottom..
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