ersonal health;Swimming pools;Tubs【摘要】: To incorporate powdered cellulose filter media (NSF performance, health and safety certified products only) as an acceptable substitute for DE in swimming pool and SPA filters.【中国标准分类号】: Y55【国际标准分类号】: 91_140_01;97_220_10【页数】: 【正文语种】: 英语 | 欢迎光临 世界资料网论坛 (http://bbs.infoeach.com/) | Powered by Discuz! X2.5 |