457mm (18 Inch) Grates Cast Iron Channel Grate – Rain 18″ x 24″ Heel Proof Cast Iron Channel Grate – Urban Rhythms 18″ x 20″ Heel Proof Cast Iron Gully Grate – Ground Swell 18″ x 25″ Cast Iron Gully Grate – Interlaken 18″ x 24″ Cast Iron Gully Grate – Oblio 18″ x 24″ Cast Iron Radius Grate – Rain 18″ Wide, 15′-9″ CLR Cast Iron Round Gully Grate – Oblio 18″ Dia.
