The Paterson Super System 4 – Universal Tank with Two Reels is constructed from high-impact polystyrene that stands up to high volume use. This tank has no hidden parts, and is always easy to keep clean. It is durable, easy to use, and provide consistent, even film development. It features a unique snap-in light trapping funnel for quick filling and emptying, to ensure even development and precise processing times. The tank offers a choice of agitation methods; use inversion agitation, rotary agitation with the removable agitator rod supplied, or a combination of both. The Paterson Super System 4 – Universal Tank with Two Reels holds two 35mm film rolls or a single roll of 120/220 film. It comes with two multi-format reels for 35mm, 126, 127, 120 or 220 rolls.