This McAlpine FGT150-SV-110 is a 150mm square stainless steel tile designed for wetroom gulleys. It features an internal silicone non-return valve to prevent foul air entering the building and a removable grid with a stainless steel mesh filter for easy cleaning. The tile is suitable for fitting to a trapped or untrapped drain and is ideal for replacement or repair of damaged or problematic systems. It has a push-fit outlet and is designed for use in wet floor areas with 4"/110mm drainage pipework.