Labnique 25 mm Glass Cube Prism, RGB Dispersion Prism, X-Cube, Dichroic Cube, for Teaching of Optics, Photo Effects, and Decoration auspowers_batchfour Two Little Fishies ATL5460W 6-Pack

Two Little Fishies ATL5460W 6-Pack Micro Valve Barb X Barb

50 ppm (mg/L) + or - 3% of the reading (+ or - 0

no need to connect or pair with device

due to its convenience (no chemicals

it is a better way to collect them compared to normal thread tape without plastic cover

Labnique 25 mm Glass Cube Prism, RGB Dispersion Prism, X-Cube, Dichroic Cube, for Teaching of Optics, Photo Effects, and Decoration auspowers_batchfour Two Little Fishies ATL5460W 6-PackLabnique 25 mm Glass Cube Prism, RGB Dispersion Prism, X Cube, Dichroic Cube, for Teaching of Optics, Photo Effects, and Decoration Product Features Glass cube prism ideal for teaching of optics, science experiments, and for photography Material: K9 optical glass, all 6 sides polished. Great as a gift for kids to explore colorful spectrum or to add effects to your photos Package size: 3. 5" x 2. 7" x 1. 5", weight: 3 oz