Ventilation quick disconnect system

This is a simple set of quick disconnect ventilation adapters.All sockets are androgynous (any to any) and have drafts on the latches to tightly seal.The internal QD diameter is 100mm.All parts are printed in PETG, except for seals, they are TPU. The screws for the square adapter are M2.5 .The round adapter is for standard 100mm ventilation pipe.