20 second Rapid sand filter Backwashing video time lapse (4K) Aon Wadcharid 0:21 8 years ago 42 590 Скачать Далее
Time Lapse of a Filter Backwash Craig and Terri's Excellent Adventures 0:26 7 years ago 30 Скачать Далее
Filter backwash with air and water Sidney Seckler Ferreira Filho 18:37 8 years ago 33 127 Скачать Далее
Ultimate Pool Guy HD - Filter Cleaning Pentair 4000 Series - Time Lapse UltimatePoolGuy 0:16 11 years ago 1 437 Скачать Далее
How To BACKWASH A POOL FILTER (The Right Way) | Swim University Swim University 6:43 2 years ago 508 830 Скачать Далее
Puroflux Sand Media Filter Basics (backwash mode) Puroflux Corporation 0:43 8 years ago 35 478 Скачать Далее
Everything you Need to Know About BACKWASHING your Sand Filter! Hallmark Pool Supplies 5:52 2 years ago 155 470 Скачать Далее
