The Lab Willey Mill (Arthur Thomas Type) comes with chambers which are fitted with hopper and are provided with a cover. We provide supply of stainless steel sieves of 20, 30 and 60 mesh and plastic receiver. It comes with a removable flexi glass plate and is available in M5 and 55 chambers. Available in M5 and 55 Chamber : 40x25 mm 100x50mm 65x25