35mm Double Dry Lining Box

This 35mm deep back box is a reliable choice for flush-mounted electrical installations. It features a 20mm knockout at the rear and cable entry channels on the top and bottom, allowing for flexible and efficient wiring. Certified to BS 5733 standards, it ensures safety and compliance with industry requirements. Supplied in shrink-sealed Knightsbridge multipacks, this back box offers durability and convenience, making it ideal for professional use.