I'm going to do a sewage filter today, but I don't have a filter cotton. Where is it sold in Dahua? A treasure or forget it,If the filtering effect is not good, it will only delay your time,We have high efficiency air filter cotton in junior high school,There are viscose and stickers,Search Qingdao Shande filter,Put the size, thickness, filtration efficiency of the filter cotton you need,And other special requests to tell me ,.Recommended to buy Taobao,The filtering effect is not good,Don't pay.
Ask how much is the pure water preparation device? How to choose a good pure water preparation device? The choice of pure water equipment should not pay attention to price,Because the price of equipment for different configurations and uses is different.Before selecting equipment, you should understand the principle and general process of the equipment,Design according to your own requirements or design process for equipment providers,In this way, good equipment can be selected.At present, the latest process pure water equipment system is mainly divided into two parts, the pretreatment part and the salt removal part. the pretreatment part is divided into conventional pretreatment and full membrane pretreatment, while the salt removal part is generally RO reverse osmosis, or ion exchange salt removal system.Generally, the pretreatment system, reverse osmosis device, post-treatment system, cleaning system and electrical control system are included.The pretreatment system generally includes raw water pum