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Expert Advice

Rated 4.8/5

Rated 4.5/5

10-20 year guarantees

Easy-Fit design

Elite

Trickle vents for Elite External Bifolds

Allows fresh air to circulate which in conjunction with extractor fans and rapid ventilation, helps to prevent condensation and mould growth in our increasing energy efficient homes. We recommend a competent trades person install these retrofit vent kits.