ade of PVC injection

Well balanced with steel weight bar

Air volume adjustable

Assembled with insulation panel

Smoothly air flow for consistency of barns

Four-side openings for better air distribution

Operating automatically off with the negative pressure 

ade of PVC injection

Well balanced with steel weight bar

Air volume adjustable

Assembled with insulation panel

Smoothly air flow for consistency of barns

Four-side openings for better air distribution

Operating automatically off with the negative pressure