RLAF।Reverse Laminar Air Flow Full Details in Hindi 

Very helpful. Thank you so much sir

Good

Bah ji

Sir pre filter is of 10 micron and intermediate is 5 ... Plz correct me if I'm wrong 🙏

Rlaf me uv light use nhi hoti vertical hepa filter ke niche only fluorescent lamp use hoti hai,laf me uv lamp use hoti hai

Inter view may kun kun si chize puchha jata hai

Very

Why RLAF IS ON 15 MINUTES BEFORE THE START OF THE ACTIVITY AND WHY THE TIMING IS 15 MINUTES.

Button to kali hai bro😂😂mai nahi karunga

Why 20 minutes stable