Hilitand 25-250L/H Rotameter Plastic Tube Type Instantaneous Liquid Water Flow Meter DN15 cocoon UV Warm ------------ Combines UV

UV Warm ------------ Combines UV with Tiffen's '812' warming filter

Includes an instruction guide

This is not recommended for beginners: Beginners may not be able to blow the sound when they use it

heavy metals and other harmful substances protecting you and your family from toxins

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Hilitand 25-250L/H Rotameter Plastic Tube Type Instantaneous Liquid Water Flow Meter DN15 cocoon UV Warm ------------ Combines UVHilitand 25 250L H Rotameter Plastic Tube Type Instantaneous Liquid Water Flow Meter DN15 Descriptions: This water flow meter is made of plastic, used for testing the instantaneous flow liquid. Its measure flow range is 25 250L H. The flow meter float is made of plastic shell, so it has good resistance to acid and alkali corrosion resistance. It mainly used in chemical, petroleum, light industry, medicine, chemical fertilizer, chemical fiber, food,