Reinhardt Roto Machines supplies Threaded Lids / Tank Connectors / Breathers. Reinhardt Roto Machines offers fully automated rotational molding equipment and accessories, moulded tanks, custom molding products and small to very large storage tanks, etc. The Threaded Lids / Tank Connectors / Breathers are moulding accessories that are used for rotational moulding process. The wide range of threaded lids rings, and various tank connectors, threaded lids, breathers from 1/2 inch BSP to 4 inch BSP.