testo 300 Flue Gas Analyser standard kit AX3598 All bags have a zip All bags have a zip closure and a swivel snap hook to allow you to attach these bags to the D rings on other Veto Pro Pac products Nominal duct diameter 160 mm Operating height 505 mm With roof flashing Yes With pre mounted seal No Surface treatment cap Coated Vertical exhausting Yes Material of cap Steel Connection Duct end Lead flashing on all sides Yes Lamella model No Colour cap Red With storm collar No Suitable for suction Yes With gauze No Cover outer diameter 272 mm Material roof flashing Other Free passage 0 such as gas flow pressure measurement such as efficient documentation and e mailing of reports