Gas Drop Out Vent Long Tail BlackThe long tail drop-out vent is perfect for fitting in campervans or motorhomes with a fitted floor to allow any escaping gas to come out and down through the floor.This vent has cut down marks at 35mm & 75mm should you require a smaller/shorter vent.A gas drop vent maintains a cleaner, healthier indoor air quality.Gas hobs remain one of the most popular choices with Campers. However, using gas appliances requires more than just installation. Permanent openings, such as vents, are often required to provide continuous air supply. They should not be obstructed or covered. Vents must lead directly to outside air.By law, gas cookers and hobs must be installed by a Gas Safe registered engineer. They ensure:Correct appliance setupAdequate ventilationSafety checks are carried out before sign-offAttempting DIY gas cooker installation is not just illegalits dangerous.Specification:Dimensions: 75mm x 120mmHole required: 50mmColour : BlackPlastic