The Paterson 16x20 Developing Tray (Gray) is a single gray tray that is for print sizes up to 16 x 20".
Base design gives maximum economy of solution and easy print removal. Pouring lip for drip-free emptying. Available for all popular print sizes in 3 colours--red, white, and gray to differentiate between chemicals under safelight conditions. Sold individually or in sets of 3 with one of each colour.