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The material of case is lightproof black cloth or PVC (120 cm × 60 cm × 160 cm), and the inner chamber is high-transparency PVC. L, light (Philips lifemax TLD 30W/54 - 765 Cool DAY LIGHT, made in China) provided a photon flux close to 3 × 1825 lm, and 61 lm/W). C, condensation pipe. IC, inner chamber (11.5 cm × 11.5 cm × 23 cm). SG, sealing gasket (soft rubber). W, water. B, beaker (50 ml). I, injector (20 ml).
