Black Out Heavy 6 Mil Plastic Opaque Material 4 ft.x 16 ft. Roll From Delta 1 neg film Control one appliance with a

Control one appliance with a switch which will turn it off or on when time elapses

manufactured by Asahi Optical Co

Develops 2 x 35mm (135) film or 1 roll of 120 film in a 2-reel developing tank

even at large magnifications

Black Out Heavy 6 Mil Plastic Opaque Material 4 ft.x 16 ft. Roll From Delta 1 neg film Control one appliance with aDelta Black Out Opaque Cloth for the darkroom is made from a heavy duty 6 Mil plastic, which is triple carbon black to seal light out. It is ideal for covering windows and doors and is easily trimmed to size with a scissors. The material is reusable. It comes in a 4 x 16' roll of material. Heavy 6 mil plastic cloth. Triple carbon black to seal out light. Ideal for windows and doors. Reusable.