Yeah it's push connect on both sides, just the BRS push connect bulkhead, what I will do next time it just use new RO tubing for the airline inside to keep it sterelie INSTEAD of the 1/4 acrylic rod which is hard to remove when it get time for cleaningI like your jar. Im thinking of adding fittings to mine. Is there another push fitting inside thats threaded to the one on the outside to hold the rigid tube in place?