Order early for pre-holiday delivery. Flinn will be closed December 24th, 2025,
through January 4th, 2026, reopening Monday, January 5th, 2026.
Orders received after 10:30 AM Central Time on Tuesday, December 23rd, 2025,
will ship after we return.
Price: $21.02
In Stock.
Used in plant physiology and photosynthesis studies to determine plants' reaction to, and dependence on, various wavelengths of light. Also used to demonstrate and experiment with the phototropic responses of invertebrates to white light versus colored light. Packaged in rolls of 30 inches by 25 feet.