Epoxy resin coated steel body with automatic air vent containing pinned float - ANSI flanged connection - Peroxide cured EPDM seals - Type 304 stainless steel internal mesh element - Polypropylene float - Stainless steel float linkages and float guide pin - 1 inch male bottom outlet for drain less ball valve - Brass side drain port with integral brass shutoff valve with hose connection - 150 PSI maximum working pressure - 32 degrees to 270 degrees maximum working temperature range - Up to 50 percent maximum glycol antifreeze - 100 percent air separation removal to micro-bubble level