Hercules Product Info 
Hercules Product IdFLEXC444
Product DescriptionCONNECTOR DUCT 4 X 4 X 4IN DBL LOCK BK
Unit of MeasureRL
Manufacturer Info 
Manufacturer NameDuctmate Industries
Brand NameDuctmate®
Part NumberPFC4VSGA
Product DescriptionDuctmate® PROflex™ TDC® TDF® PFC4VSGA 602 Flexible Power Lock Duct Connector, 4 x 4 x 4 in, Double Lock Connection, Black, 24 ga
Product Features
Designed to isolate equipment noise and vibration from the ductwork, PROflex™ flexible duct connector consists of a fabric which is secured to sheet metal on both sides. Typically the connector is inserted between the equipment and the ductwork. Flexible duct connectors are widely used in air conditioning systems for commercial, industrial and residential applications.
Airtight and waterproof at 10 in-WG positive to 10 in-WG negative
Double lock gripping fingers of metal to fabric adds to holding power
Pre-assembled with sheet metal permanently secured to fabric
Strongest all purpose fabric in the industry with excellent resistance to cuts, tears and abrasion
Flame-resistant coating
Resistant to weather and most chemicals
Mildew-resistant
4 in steel x 4 in vinyl super duty x 4 in steel
Applications: Commercial, Industrial and Residential Applications
Product Documents 
Document TypeDownload Link
SDSFLEXC444_SDS (pdf)
Specification SheetFLEXC444_Specification Sheet (pdf)
Product Specifications 
Type Flexible Power Lock
Series 602
Size 4 x 4 x 4
Connection Type Double Lock
Gauge 24
Suitable For Use With Air Conditioning Duct System
Material Vinyl Fabric/Steel
Finish Galvanized
Color Black
Domestic/Import Domestic
Certifications ASTM A-653-94-G60|ASTM G-21|NFPA 701|SFI Certified|SMACNA Approved
Country of Origin US