Brett Martin Underground Coupler Single Socket x 160mm construction-framing-materials providing a reliable barrier against

providing a reliable barrier against the spread of fire and giving occupants valuable time to evacuate safely

making it suitable for outdoor use

These doors are perfect for any modern home and will add a touch of elegance to any room

The Arnhem Primed Plus Black Doors are not fire-resistant

with intermediate sizes offering 12 and 10 grooves respectively

Brett Martin Underground Coupler Single Socket x 160mm construction-framing-materials providing a reliable barrier againstThe Brett Martin Underground Coupler Single Socket x 160mm is a high quality, durable product designed for use in underground drainage systems. With a length of 165mm and a width and diameter of 190mm, it is the perfect size for a variety of applications. The coupler is made from robust, hard wearing material that is designed to withstand the rigours of underground use. It is also terracotta in colour, making it a discreet and unobtrusive addition to