* Specially shaped head provides comfortable and easy access to back teeth* Good quality filaments help to protect tooth enamel and gums* Comfortable rubber injected grip for safe and stable brushing free from sliding.
Working principal: The grinding sample is comminuted by high-energy impacts from grinding balls and friction between balls and the grinding jar wall.Minimum granularity of some materials can be down to 0.1 micron.
Bridgelux Chip COB LED Grille Down Lights with 3 Years Warranty.Features:1.Environment friendly, energy saving (70~80%);2.Low heat, low power consumption/H...
Full Spectrum LED Grow Light 300w for Plants Veg and Flower Lamp Type Full Spectrum LED Plant Grow Light Power 300W, 450W, 600W, 800W, 900W, 1000W, ...