Diesel Heater Under Garage Door or Window Seal Duct Shroud – 4in (100mm), 3.5in (90mm), 3in (75mm)

Need the ability to run your circular hose into a thinner wedge under a Garage Door or Window Seal, keeping the opening as thin as possible?

The Under Garage/Window Door/Seal is only 1″ thick and includes 2 adapters allowing you to connect a hose that’s 4″, 3.5″ or 3″ in size.
A bug filter is included that’s removable.

Due to appliances, Diesel Heaters having very hot exhaust, we provide the option for higher temp materials.

Our Base/Default option is PETG which is high UV Resistance for outdoor use, and can withstand temps up to 150F.

The next option up is our ASA material which has exceptional outdoor UV resistance for full sun resistance and can withstand up to 220F.

Our strongest and most durable material is our Nylon which can withstand up to 350F.