Darkroom Enlarger Heat-Absorbing Glass Filter ~4x4.5 in

A heat-absorbing glass filter for darkroom enlargers, designed to protect photographic paper and film from infrared radiation during printing. These filters are essential darkroom tools that allow you to work comfortably under enlarger heat without degrading your materials. This 4×4.5 inch pane is ready to use in your enlarging setup.

Condition: used good.

Intact glass pane with minor edge marks and a few surface specks; from a home darkroom.