Магистральные фильтры в квартире, нужны или нет?!

Are main filters in an apartment a luxury or a necessity? What's the difference between a main filter and a backwash filter? Are backwash filters necessary if you have main filters? This video is dedicated to an overview of a plumbing system with main filters. #filter #main_filters #SL_10 ХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХХ More information about us on our website: https://engineering-profile.ru https://www.t.me/engineering_profile_... Photos of our work. Subscribe!!! Photos and videos appear on Telegram before they appear on YouTube 😊 We show renovations in detail. We share the secrets of high-quality engineering apartment renovations.    / engineering_profile   https://www.t.me/engineering_profile_... https://www.vk.com/engineering_profile https://www.dzen.ru/engineering_profile Search for "Engineering Profile" on all popular social networks Lots of MEGA-useful information on our Telegram, VK, and Zen profiles. Extensive PORTFOLIO. XX ... #electricalinstallation Modern, high-quality, and reliable electrical installation. #plumbing installation Plumbing and heating with modern engineering systems from Rehau and Stout. 🛠️ We work throughout Moscow. Also in the Moscow region: north, northeast, east, and northwest. ☎️ +7 (964) 705-66-77 An operator will answer your questions and accept your application! 📨 [email protected] Send us your projects for a cost estimate.