国产视频1I国产又粗又硬又爽视频I在线v片I91视频 - v11avI69国产成人综合久久精品欧美I亚洲人成网站精品片在线观看I色诱亚洲精品久久久久久

FEATURE

• Ceramic shaft, non-corrosive,is suitable for fresh and sea water.

• Allthe live parts are sealed inlo the chamber with good water proof and high insulation.

• Permanent magnet andhigh efficiency synchronousmotor, with a overcurrent & overheat protector insideand the knock-downrotorimpeller structure is safe,reliable and easy to maintenance.

• This design of combined structure is easy fordisassemble and cleaning.