Lid for 30cm Plastic Cascade Reservoir This plastic reservoir lid is ideal for suitable for a 30cm plastic reservoir. Made from toughened plastic this lid has been designed for all-weather durability - will not warp or twist. Benefits: - Letter box opening which allows water to cascade through. - Decorate the feature by placing pebbles on the lid. Cascade reservoir: CLICK HERE for more details Dimensions Length: 55cm (1ft 10") Width: 45cm (1ft 6") Depth: 4mm Plastic lid only for plastic reservoir cascade, blades - available in different sizes To view all our water features, click here . To view for waterfall blade cascade, sheer descent water features, click here . To view only cascade and blade water features, click here . To view water feature categories, click here .