Steel valve 2-1/8 in. O/a height, 1-1/8 hgt is provided w 7/8-14 unf rh exterior thd, top has 5/16-32 unef rh exterior thd for 3/8 in. Lg, rubber bag 5-1/2 in. W and 7 in. Lg is attached to the bottom of valve assembly, item furnished with 1 valve cap and 1 o-ring