core drill using vacuum pump and pad can be applicated on most smooth finished surfaces.such as tiled floor or wall, skin coated wall,decorative concrete wall, decorative concrete wall,etc.

AVC-38 HEPA is a single motor wet and dry HEPA dusty extractor with BYCON innovated auto clean system,38L tank volume. There are 2 filters rotate self clean to mantian high suction always. The HEPA filter captures 99.5% of particles at 0.3 microns. It is a portable and light weight vacuum cleaner for liquids and dry fine dust both.

AVC-38 HEPA is a single motor wet and dry HEPA dusty extractor with BYCON innovated auto clean system,38L tank volume. There are 2 filters rotate self clean to mantian high suction always. The HEPA filter captures 99.5% of particles at 0.3 microns. It is a portable and light weight vacuum cleaner for liquids and dry fine dust both.