Sarne Aa-Trickle Slot Vent
These filtered passive air inlet vents are designed to be installed directly into the window frame, allowing a controlled flow of fresh outdoor air into the room without drafts.
They are ideal for homes with passive ventilation systems, especially in older buildings where air circulation depends on natural pressure differences. The integrated filter improves indoor air quality by capturing pollen, dust, and other airborne particles, making them suitable for allergy-sensitive users.
✅ Installed in the window frame
✅ Improves passive air exchange
✅ Integrated filter for cleaner indoor air
✅ Quiet and energy-free operation
- Sarne Aa-Trickle Slot Vent
- Velco VLR Fresh Air Valve for a new wall mounting
- Velco VSR Replacement for an old wall mounted vent
- Filter for passive air vent
- Accessories for supply air valves
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Sarne Aa-50 Slot Valve package, white
55,00 €
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Sarne Aa-35 Slot Valve package, white
50,00 €
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Sarne Aa-25 Slot Valve package, white
45,00 €
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Sarne Aa-18 Slot Valve package, white
40,00 €
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Sarne Aa-50 Slot Valve package, brown
55,00 €
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Sarne Aa-35 Slot Valve package, brown
50,00 €
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Sarne Aa-25 Slot Valve package, brown
45,00 €
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Sarne Aa-18 Slot Valve package, brown
40,00 €
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Sarne Aa-50 Slot Valve Filter
4,90 €
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Sarne Aa-50 Filter Frame
20,50 €
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Sarne Aa Filter Frame Mounting Clips
4,40 €
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Sarne Aa-50 Slot Valve
25,20 €
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Sarne Aa-35 Slot Valve Filter
4,60 €
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Sarne Aa-35 Filter Frame
17,10 €
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Sarne Aa-35 Slot Valve
23,90 €
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Sarne Aa-25 Slot Valve Filter
4,30 €
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Sarne Aa-25 Filter Frame
17,40 €
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Sarne Aa-30 Slot Valve
18,90 €
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Sarne Aa-18 Slot Valve Filter
3,95 €
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Sarne Aa-18 Filter Frame
14,45 €
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Sarne Aa-18 Slot Valve
17,20 €
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Sarne Aa-50 Slot Valve, brown
25,20 €
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Sarne Aa-43 Slot Valve, brown
21,50 €
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Sarne Aa-25 Slot Valve, brown
18,90 €
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Sarne Aa-18 Slot Valve, brown
17,20 €