FIVE 1” NPT PORTS (TWO ON EACH END; ONE ON BOTTOM); ONE ½” NPT PORT ON TOP. FILLER/BREATHER. FULL LENGTH SITE-GLASS. 9” X 7” CLEAN OUT PLATE. FLANGE MOUNT ON BACK. TANK SIZE IS 15” X 21” X 10”. (ONE TANK IS 20” X 21” X 14”; 23 GALLON). APPROX 50 POUNDS. QTY 14. ITEM #1875.