Adapters, fittings, unions, connecting tubes View cart “DL-UNI50038” has been added to your cart. DL-UNI30520 Fitting 16.5 x 16.5 Price: on request DL-UNI30520 quantity Add to cart Description Package contents Сharacteristics DL-UNI30520. Fitting 16.5 x 16.5 Fitting 16.5 x 16.5 It can also be used to fix the filter element on the housing DL-UNI31662, etc. Fitting 16.5 x 16.5 – 1 pc Equipment type Unions