Holographic Diffraction Grating

2 sheets, each 5 in. x 5 in. Our Price: $11.00 PS-08A	6 ft. x 5 in. Our Price: $47.00 PS-08B	5 in. x 5 in., with filters Our Price: $9.25 PS-08C
Mounted, with filters Our Price: $35.00 PS-08D	Ten Glass Slides Our Price: $42.50 PS-09	One Glass Slide Our Price: $5.00 PS-09/Single