The TLC Developing Chamber is a sturdy, molded, clear-glass block.

Flat surface walls, ground lip of uniform flatness, and beveled inside and outside to avoid sharp edges. Raised ridge midway on the inside ends and bottom of jar. Develop two 20x20cm (7⁷/₈x7⁷/₈") plates or equivalent simultaneously without rack. TLC Chamber 21432-761 features an internal fluoropolymer resin shoulder to prevent slippage.

Capacity: approx. 4.2 L (250 cu.in.)

Weight: 6.8 kg (15 lbs.)