Fire Safe 8613015 1-1/2 Inch Female Camlock Coupler x 1-1/2 Inch Female NPT Aluminum Fitting with Brass Handles - Style D.
Fire Safe 8613016 2 Inch Female Camlock Coupler x 2 Inch Female NPT Aluminum Fitting with Brass Handles - Style D.
Fire Safe 8613017 2-1/2 Inch Female Camlock Coupler x 2-1/2 Inch Female NPT Aluminum Fitting with Brass Handles - Style D.
Fire Safe 8613018 3 Inch Female Camlock Coupler x 3 Inch Female NPT Aluminum Fitting with Brass Handles - Style D.
Fire Safe 8613019 4 Inch Female Camlock Coupler x 4 Inch Female NPT Aluminum Fititng with Brass Handles - Style D.