Cartridge Dispensing Gun. High durometer eliminates the need for retraction cord.. Variety of working times and durometers.. Excellent dimensional stability.. Resists fluid absorption.. Taste and odor free.. PerfectIM Systems, J Morita Cartridge Dispensing Gun use 50 mL safety cartridges. It offers accurate final impressions of subgingival margins without use of retraction cord, gingival excision or application of hemostatic agents. They are also cartridge dispensed, radiopaque, resistant to fluid absorption, tasteless and odorless.