Stortslurf Rubble Filling Funnel 50cm DiameterThis filling funnel for the StortSlurf flexible rubble chute is compatible with the 50cm 500mm version of the flexible chute. It helps guide rubble safely into the chute's neck without snagging, allowing you to feed it efficiently and quickly. The flexible rubble chute hopper comes complete with tether points, allowing it to be easily installed into window openings using straps. Although this product is not strictly necessary when using the 500mm