Lambro 122 Range Hood Transition, Round, 3-1/4 in W to 6 in Dia x 10 in L Dimensions, Aluminum

The Lambro 3-1/4 x 10 in to 6 in round aluminum stack boot used for HVAC systems, floor registers or range hood venting. Installations consist of transitioning from round pipe or flexible insulated duct to rectangular stack duct. The stack boot is made of 26 ga aluminum and will not rust with pre-installed s-cleats. Install using sheet metal screws (not included) and it is recommended to seal seams with code approved mastic, sealant or duct tape (not included).