Roof Opening Size: The installation requires a roof opening of "355x355mm". Position the fan's flange at the roof opening (with the fan cover opening facing the rear of the RV) and trace the outline of the installation flange with a pencil.
eBay
Invisible Waterproof Agent Strong Insulating Sealant Transparent Sealing Coating Anti-Leak Roof Bathroom Repair Tools 30-600g
Aliexpress UK
The roof vent can be used to draw fresh air into your RV or exhaust hot air out of your RV. The RV roof fan can operate in reverse/forward mode. This RV roof vent fan can operate from low 1 to high 10 in forward/reverse mode.
eBay
Garden Wood Storage Shed W/ Storage Table, Asphalt Roof, 139x75x160cm, Grey
Aliexpress UK
▶3-speed fan with reversible airflow | 10-blade skylight fan provides perfect air circulation for all-season comfort and relief | In/out exhaust feature allows you to draw in and circulate fresh air from outside, or exhaust stale air outside, cooling your RV and eliminating odors from food, smoke, waste, pets, and more.
eBay
PawHut Rabbit Hutch Indoor Outdoor w/ Top Handle, Openable Roof - Grey
Aliexpress UK
It must be a right-angle arc with a gap. 【Function】: Open, close, ventilate, insulate, provide privacy, let the sun in, good waterproof, with gas lift spring, easy to operate, equipped with nets and sunshades, which can effectively prevent fallen leaves and direct sunlight.
eBay
Garden Storage Shed 3 Shelves Tool House W/ Asphalt Roof 77X54X179cm Grey
Aliexpress UK
The Caravan Roof Vent should be a crucial part of your caravan. Plus, the vent also prevents any damp or mould from developing inside your caravan that could be hazardous to your health. Our roof vent features an automatic rain sensor that closes when rain is detected.
eBay
Outsunny 3 x 3(m) Gazebo Canopy Roof Top Replacement Cover Spare Part Dark Green (TOP COVER ONLY)
Aliexpress UK
This version features LED lighting that is built into the lower bezel/trim of the fan housing. The LED lights can be operated independently to the fan. For sidewall applications, the fan guard acts as a rain shield and protects your interior from weather and debris.
eBay
Premium Retractable Pergola with Foldable Roof for Residential Outdoo
Aliexpress UK
It removes cooking smoke and unpleasant aromas from the bathroom and lets you breathe fresh outside air. Breathe in natural, fresh outside air to make your living space more comfortable. Item Sub-Type: Fan for roof ventilation.
eBay
Outsunny 5ft x 4ft Garden Shed, Metal Tool Storage Shed with Sliding Door, Sloped Roof, Grey Wood Effect
Aliexpress UK
The RV roof vent is made of durable plastic material, UV-resistant and waterproof. This RV roof vent fan provides good air circulation for RVs, trailers, campers and other vehicles, helping to lower indoor temperatures and eliminate odors from food, smoke, waste, pets, etc.
eBay
Outsunny 3 x 3(m) Garden Pergola with Retractable Roof Canopy and Wood Grain Aluminium Frame, Outdoor Gazebo Pergola Kit
Aliexpress UK