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
Outsunny 6.5 x 4FT Galvanised Metal Shed with Foundation Kit, Lockable Tool Garden Shed with Double Sliding Doors, Vents, Light
Aliexpress UK
Air Vent Ceiling Grill Grille Outet Inlet Ventilation Fan Duct Ducting 4" 5" 6". 100mm (4"), 125mm (5") and 150mm (6") sizes available that fit standard ducting sizes. Air Vent Ceiling Grill Grille. Especially designed for the extract/input of air from ducted ventilation systems.
eBay
8 x 6 ft Galvanised Garden Shed, Outsoor Metal Storage Shed with Double Doors Window Air Vents for Patio, Lawn, Grey
Aliexpress UK
This ventilation grille can be used as wall grille, door grille, ceiling grille, etc. Screw Fitting. Designed To Cover Wall Or Ceiling Openings And Ducting Vents.
eBay
11.3 x 9.2ft Lean to Metal Garden Shed, Outdoor Galvanised Tool Storage House with Double Sliding Doors and 2 Air Vents, Grey
Aliexpress UK
Material: Stainless Steel.
eBay
PINGGO 7ft x 4ft Lockable Garden Metal Storage Shed Storage Roofed Tool Metal Shed w/ Air Vents Steel Grey
Aliexpress UK
These are really nice. Perfect for your barge or narrowboat. A black powder coated mushroom vent.
eBay
PINGGO 9x6ft Metal Garden Storage Shed with Lockable Double Doors Vents Foundation Waterproof Outdoor Tool Organizer House Brown
Aliexpress UK
FANTRONIX 150mm Plastic Pipe Duct Connector with Spigot for Extractor Fan. FANTRONIX 150mm Plastic Pipe Duct Connector with Spigot for Extractor Fan. FANTRONIX 150 mm Plastic Pipe Duct Connector with Spigot for Extractor.
eBay
Ye 7 x 4ft Metal Garden Storage Shed with Vents, Floor Foundation Kit and Lockable Double Doors, Light Brown
Aliexpress UK
Compatible for 75/100/125/150mm duct or wall ceiling hole. Stylish, compact and solid, this air vent can use as air inlet or outlet, ideal for bathroom, kitchen, office ventilation. 1 x Round Air Vent.
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Artificial Flower Balls Hanging Decorative Simulated Fake Plant Landscaping Outdoor Courtyard Roof Home Garden Durable Decor
Aliexpress UK
Each spare part is covered by a comprehensive 6 month warranty. UNIVERSAL Washing Machine Drain Hose Long Cold Water Fill Extension Pipe 3.5 2.5. Appliance repairs must always be carried out by a suitably qualified engineer or technician.
eBay
Outdoor Garden Storage Shed Tool Wooden Box W/ Hinged Roof 74X43X88Cm, Natural
Aliexpress UK