switch to top sealed trays using a proseal gt1 tray sealer has delivered improved product presentation and extended shelf life for its range of specialist mushrooms, including oyster and shiitake, supplied to leading retailers. the gt1 has also increased throughput, achieving around 60 packs per minute on a standard 150g punnet and 30 packs per minute for a special threecompartment tray. the gt1 is also extremely easy to use, including fast set up and changeovers, while its reliability is outstanding in two years we have had only a couple of minor issues.high speeds are achieved through the use of a servodriven infeed conveyor and a high accuracy tray positioning system. sourcewww.proseal.com