6" x 6" 316 stainless steel sanitary rotary airlock, 11" os eight bolt flange connections on each side of airlock, directly drived by lesson wash down duty 1/3 horsepower motor @ 1725 rpm, 208-230/460/3 phase voltage, 50/60 hz and coupled to falk ultra mite gear reducer @ 115. 8 to 1 ratio for final air lock speed of 15 rpm, packing gland shaft seals on each side of airlock. Formerly used in food processing. See video on our youtube channel at https://youtu. Be/xweweky_6gm