Gullys / Manhole Covers Cast Iron Square Gully Grate – Argo 36″ Square Cast Iron Square Gully Grate – Oblio 12″ Square Heel Proof Tight Cast Iron Round Gully Grate – Anise 24″ Dia. Cast Iron Square Gully Grate – Divisadero 6″ Square Heel Proof Cast Iron Square Gully Grate – Bullseye 12″ Square Heel Proof Cast Iron Round Gully Grate – Locust 6″ Dia. Heel Proof Cast Iron Square Gully Grate – Interlaken 12″ Square Heel Proof Cast Iron Square Gully Grate – Interlaken 30″ Square Pedestrian Load Only Cast Iron Square Gully Grate – Janis 36″ Square Cast Iron Square Gully Grate – Locust 28″ Square Heel Proof LOAD MORE LOADING