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JH-103 8" Transparent Air Vavle 1）PVC material，meet ROHS、EN71、environmental 3P、environmental 6P、environmental 7P、environmental 16P、excluding P、phenol less than 5PPM 2）Air valve chassis diameter 38.0MM，height 20.5MM，aperture 8.7MM 3)Pull: 20.9KGF 4) Product weight: 6.35G,1KG about 157pcs