Accessory vent kit for WhisperLine series Includes: 4-Inch single inlet grille, back draft damper, clamp, and zip ties Compatible with FV-10NLF1 WhisperLine 120 CFM In-Line Fan and FV-NLF04G WhisperLine 4-Inch Duct Inlet Grille Grille pattern: slotted with beveled edge and white finish Single inletBackdraft Damper: 1 (4) Clamp: 6 Grille Type: 4 Single Inlet Inlet Grille: 1 (4)
