Alternatively, you can use this vent without any hose attached for general space ventilation. Self tapping screws included. Instructions included. Hose collar included to tidy up the thru-hole. 1 x Mushroom Cap.
eBay
AD Stainless Steel Marine Hardware Square Air Vent Louver Boat Marine Vent Grille Ventilation Louvered Ventilator Grill Cover
Aliexpress UK
Vent can easily be opened and closed from the inside via a thumbwheel. Can be partially opened if preferred. Provides excellent protection against rain ingress even when open. Requires 100mm cut out in the roof to fit.
eBay
Air Vent Grille Ventilation Cover Metal window Square Vent Insect Screen Cover Aluminum Alloy Heating Cooling Grille Cover
Aliexpress UK
Lower vent section can be pulled out or pushed in to fit different roof thicknesses.
eBay
70-200mm Round Stainless Steel Air Vent Grille Insect Protection Home Exterior Wall Ducting Ventilation Tool Vents Cap
Aliexpress UK
THIS MUSHROOM VENT HAS BEEN MANUFACTURED BY US IN THE UK! Theheight is adjustable using astainless steel nut and bolt located on the interior, allowing for easy modification based on ventilation needs.
eBay
50/100pcs Mini Resin Mushroom 8 Colors Small Mushrooms for Dollhouse Decor Micro Fairy Garden Landscape Aquarium Tiny Toys
Aliexpress UK
A plastic mushroom vent. Streamlined, non-snag shape, closeable from the inside or outside.
eBay
Mushroom Grow Still Air Box Portable Mycology Fume Hood Propagation Stations Mushroom Grow Kit Growing Containers
Aliexpress UK
Suits roof thicknesses up to 30mm.
eBay
Retro Metal Rusty Mushroom Garden Decoration Set, Outdoor Rusty Mushroom Plaque,For Lawn, Garden Decoration,Halloween Decoration
Aliexpress UK
Theheight is adjustable using astainless steel nut and bolt located on the interior, allowing for easy modification based on ventilation needs. Equipped with4 pre-drilled holes designed for countersunk screws, ensuring secure installation.
eBay
Mushroom Grow Still Air Box Portable Plastic Mycology Fume Hood Propagation Stations Mushroom Grow Kit Growing Containers
Aliexpress UK
Lower vent section can be pulled out or pushed in to fit different roof thicknesses.
eBay
12/16pcs Synthetic Filter Paper Stickers 76.2mm 59mm 0.22 μm Filter Disc Mushroom Applied Under for Mushroom Cultivation
Aliexpress UK