impression trays. redi-lock impression trays. model bases. plastic white model bases; plastic white hinges. retainer boxes. retainer boxes; retainer boxes. retractors. c type retractors; y type retractor; cheek retractors; cheek retractors large; double sided retractors. crimpable stops. stops. bondable buttons. bondable buttons round; bondable (665-COUPON)*To obtain free goods, mail, fax, or email a copy of your Invoice to: Heraeus Kulzer, Attn: Free Goods Fulfillment, 4315 S Lafayette Blvd, South Bend, IN 46614, Or Fax to Or Email to: to freegoods.Impression Trays - Aluminium. Coe Metal Trays Perforated. Impression Trays - Coated Metal. GC COE Impression Trays - Perforated Sta. Impression Trays - Disposable. Wrights Impression Trays; Wrights Ortho Trays; Eezitray; Eezitray SF; Elite Trio Trays; 3M Espe Impression Trays; Coe Spacer Impression Trays; Pegasus Disposable Impression Trays Jan 06, 2012 · Close autoclave bags loosely with twist ties or other means that allow steam inside. Place bags onto stainless steel or polypropylene trays for autoclaving. Do not place bags directly into the autoclave. Always allow an autoclave unit to cool before opening. Stand back and open the door slowly to allow the excess steam to escape.