Will the outer housing fit inside an existing 4" round metal duct? Or does it have to go into flex duct?

It fits into a 4 inch round metal duct. I sure it will also fit a 4 inch flex duct.

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calimaero TVSA Exhaust Disc Valve

Product ID: 48325835

Details

Brand
Klimapartner
Colour
Reinweiss
Electric fan design
Exhaust Fan
Material
Powder-coated
Mounting type
Wall Mount
Power source
Corded

🏢Fits standard DN 100 ventilation ducts

🎛️Infinitely variable airflow control

🛠️Powder-coated steel for durability

₩51525

Duties & taxes included

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Sold byAmazon South KoreaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎯 Control your air, command your space with Calimaero precision!

SEAMLESS INTEGRATION - Fits all standard round ventilation and flex ducts (DIN EN 1506) for easy, secure installation.
STYLE MEETS FUNCTION - Unlike PVC, the steel vent cover can be painted to flawlessly match your interior design aesthetic.
PRECISION AIRFLOW MASTERY - Threaded spindle allows infinitely variable adjustment for perfect room-by-room ventilation control.
TRUSTED INDUSTRIAL QUALITY - Ideal for residential, commercial, and lab environments—engineered for professionals who demand reliability.
BUILT TO LAST DESIGNED TO PERFORM - Robust powder-coated sheet steel resists corrosion and weathering without yellowing.

The Calimaero TVSA Exhaust Disc Valve is a high-quality, powder-coated sheet steel ventilation component designed for precise airflow regulation in HVAC systems. Its corrosion-resistant finish ensures longevity, while the threaded spindle enables infinite adjustment to tailor air distribution per room. Compatible with standard DN 100 ducts, it offers both industrial-grade durability and customizable aesthetics, making it perfect for residential, commercial, and specialized environments.

Specifications

ASIN	B00C25P84E
Best Sellers Rank	944,721 in DIY & Tools ( See Top 100 in DIY & Tools ) 5,014 in Registers, Grilles & Vents
Brand Name	Klimapartner
Collection Name	Industrial
Colour	Reinweiss Ral9010
Customer Reviews	4.3 4.3 out of 5 stars (11)
Electric Fan Design	Exhaust Fan
Finish Type	Powder Coated
Form Factor	Round Disc with Central Valve
Indoor Outdoor Usage	Outdoor
Item Dimensions D x W x H	15D x 15W x 6.8H centimetres
Manufacturer	Klimapartner
Material	Powder-coated Sheet Steel
Model Name	4054503001220
Model Number	4054503001220 4054503001206
Mounting Type	Wall Mount
Part Number	4054503001183 4054503000070
Power Source	Corded Electric
Reusability	Reusable
Room Type	Bathroom
Size	DN 100
Special Features	Adjustable Air Valve
Style	Industrial

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