This huge air handling unit was one standard bay (about 4 metres) wide and this part contains pleated air filters. These were made of cloth with a cardboard frame and were replaced every six months.
Filtering the air was important as the recirculated air may have been contaminated with dust or fumes.
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See full size image Caption: Print Floor ventilation plant - pleated air filters Description: This huge air handling unit was one standard bay (about 4 metres) wide and this part contains pleated air filters. These were made of cloth with a cardboard frame and were replaced every six months. Filtering the air was important as the recirculated air may have been contaminated with dust or fumes. Alt text: Print Floor ventilation plant - pleated air filters Image credit: Gary Tull Photo subject date: 18/08/2010 |