• 20 items per box
• Provides 25,000mm² airflow per metre
• Units come in 1metre lengths
• Fit with all roof tiles and slates
• Discreet, low profile design
• Fixes easily into the top of the fascia board
• Fitted with integral flyscreen
• Can be used in other roofing details

Manthorpe's  slim line over fascia ventilator ensures a flow of air into the roof space between the felt and the fascia board. 10,000mm sq and 25,000mm sq versions available. The product is designed with clear fixing points and a smooth leading edge allowing it to sit discreetly on top of the fascia board beneath the felt, both versions come complete with an intergral fly-screen. Products are robust enough to be used with any roof tile no regardless of the profile and can be fitted with plain tiles or slates.