6 in. Jointer dust hood (21342), table saw dust hood (21344). Universal dust hood (21346), floor sweep (21369), 4 in. Y-fitting (21366). Four 4 in. plastic blast gates (21360), two 4 in. x 10 ft. hoses (21372). Ten 4 in. hose clamps (21357), 1 wall mounting kit (21350). How to plan your dust collection syHow to plan your dust collection system.