The Easy-Trim Soffit Vents 70mm are a practical and efficient solution for ventilating soffits, measuring 7cm in both length and width. These vents are designed to easily trim to size and fit seamlessly into your soffit, improving air circulation and preventing moisture build-up. With their compact size and easy installation, the Easy-Trim Soffit Vents are a convenient choice for maintaining a healthy and dry environment in your home.