Delta Electronics GBR80 Breez Green Builder Bathroom Fan, 80 CFM, 4 Inch Duct - Walmart.com
130mAh Battery for Sony MDR XB80BS, MDR XB70BT,LIS1630HNPC|Smart Accessories| - AliExpress
Broan AER110RGBL White ChromaComfort™ 110 CFM 1.5 Sone Ceiling Mounted Multicolor LED Lighted Combination Exhaust Fan with Bluetooth™ Connectivity and Multi-Function Wall Control - VentingDirect.com
Broan-Nutone AN80L 80 CFM 1.0 Sones In-Vent Series Single-Speed Fan Light, White - Walmart.com