AP 1 Litre Collapsible Bottle Photographic Film Developing Chemicals Storage
Professional quality chemical storage bottle.
To use, simply fill the bottle with chemical then compress the bottle until all the air is removed. Then tighten the lid and your chemicals will last considerably longer.
Plastic accordion bottle, for preserving photographic solutions sensitive to light and air. The accordion system allows bottle size to be adjusted to the level of contents, thus avoiding oxidation.