SAVE $20 on any order of $500+ Code: SAVE20
SAVE $35 on any order of $1000+ Code: SAVE35
SAVE $55 on any order of $1500+ Code: SAVE55
An effective yet economical tool for demonstrating polarization of light. 2" x 2" mounted film is available in packs of 10.
Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov