the blower at the bottom of B1 and B2 is removed already since it will create positive pressure at plenum and unfiltered air may escape when there is hole or leaks to the plenum even class 2 type A1 and 2 it was prohibited in 2008. hope this info will be updated nevertheless all the other info is good to know thanks.

Just another Ata Boy or Gal from a Bio-Engineer. Love the refresher courses on the basics; keep's you on your toes in these times. Thank you.

Thank you so much for a simple but very good explanation.

Beautiful

Superb! thanks a lot!

The explanation is really great...

Thanks alot , you really helped me :)

An outstanding and amazing summary!

Thank you, very good explanation

Very informative video thank you so much

Good presentation... Thankyou

Really excellent explanation 👍😊...

But it is good overall, the subtitles and pictures are clear, so good💥💥💥💥

more information : www.laboratorydeal.com/products/biosafety-cabinet-2?_pos=2&_sid=707a36f59&_ss=r

Semangat TEM unbi

Im building my own class 2 A 1

Boring🙂😌