Sam Products Pvt. Ltd. sell "AIR CURTAINS"

Installed at entryways, these air curtains help keep out dust, flies, insects and other contaminants. They come in standard sizes of 3, 4, 5 and 6 feet as well as 1m and 2m, with custom sizes also available, and can be built in stainless steel (304, 202 or 316 grade) or powder-coated mild steel in a choice of colors. Optional features include filters, auto on/off mode, a speed selector switch and UV light, with models supporting airflow up to 27m/s. The units are ISO 9001:2015 certified and CE marked, backed by after-sales support from experienced staff.