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See more details at SupplyHouse.com Size1 inch X 10 inch1 inch X 13 inch .613 star9 starGood except switchDecember 10 Everything was fine except the switch, I didn't use the included gauge, purchased a better? one separately. The switch worked but the low pressure cut off caused me issues since my iron filter backwash would cause it to trigger. Replaced it with the one without the cut off. It was supposed to trigger 10psi below the cut in pressure but according to my gauge it was more like 4psi rendering it useless and it's non adjustable. djc supplyhouse.com