Thomas Nos. 1166V25, 1166V26 and 1166V28
Same as 8746 except adjustable inlet and outlet tubes have six ring hose connections. O.D. of smallest ring is 14mm; largest is 16mm.
Thomas Nos. 1166V27 and 1166V29
Vacuum trap,Complete with a 51mm x 250mm body with a hose²connection side arm with six rings 14 to 16mm (8747-33),²a 14mm OD inner tube with the same hose connection side arm²(8747-11) and a nylon bushing (7506-06)