The VHL roof circular hood is a terminal HVAC element designed for air inlet and outlet. The circular hood with ribs is designed to achieve an architecturally interesting end of the sleeve.

- temperature resistance of standard version made of galvanized sheet metal from -30 °C to +100 °C, short-term temperature resistance from -50 °C to +120 °C
- basic design meets standards according to EN 1506
- duct tightness C and D according to EN 12237 (II to IV according to DIN 24194)
- made of galvanized sheet metal, varnished on request

The HV circular roof hoods are terminal HVAC elements for outdoor air extraction. The roof circular hoods are with bevelled upper side, designed for exhaust air.

- temperature resistance of standard version from galvanized sheet metal from -30 °C to +100 °C, short-term temperature resistance from -50 °C to +120 °C
- basic design meets standards according to EN 1506
- duct tightness C and D according to EN 12237 (II to IV according to DIN 24194)
- designation 1 without flange, designation 2 with flange
- standardly made of galvanized sheet metal, on request available made of aluzinc, of stainless acid-resistant steel or painted

The H roof circular hoods are a HVAC outdoor terminal element designed for air discharge. For installation on the roof with or without roof penetration. On request it can be available with a net.

- temperature resistance of standard version made of galvanized sheet metal from -30°C to +100 °C, short-term temperature resistance from -50 °C to +120 °C
- basic design meets standards according to EN 1506
- duct tightness C and D according to EN 12237 (II to IV according to DIN 24194)
- up to 315 mm diameter without flange, from 400 mm with a flange
- standardly made of galvanized sheet metal, on request available made of aluzinc, of stainless acid-resistant steel or painted

The HN deflector hoods are designed for circular ducts for installation on the roof for air discharge. The hoods have an external spiro connection as standard. Hoods with other connection can be ordered as well. The deflector hoods are equipped with a net to prevent the entry of larger dirt and with an outlet funnel for water that flows from the hood through a hose.

- temperature resistance of the hood is from -45 to +65 °C
- standardly made of galvanized sheet metal, on request available made of aluzinc, of stainless acid-proof steel, coated or with eye bolts
- basic design meets standards according to EN 1506
- duct tightness C and D according to EN 12237 (II to IV according to DIN 24194)

The HF deflector hoods are designed for circular ducts for installation on the roof for air discharge. The hood is standardly equipped with a flange for a fixed connection to the circular ducts. It is possible to order hoods with another connection. The deflector hoods are also equipped with a net to prevent the entry of larger dirt and with an outlet funnel for water that flows from the hood through a hose. The hoods are equipped with three eye bolts for easier handling.

- temperature resistance of the hood is from -45 to +65 °C
- standardly made of galvanized sheet metal, on request available made of aluzinc, of stainless acid-resistant steel or painted
- basic design meets standards according to EN 1506
- duct tightness C and D according to EN 12237 (II to IV according to DIN 24194)