7.5-Inch Room To Room Fan, 2-In-1 305 CFM Through Wall Fan With Remote Control & Two-Way Airflow, 10-Speed Ventilation Quiet Vent For Kitchen, Living

About these itemsThese through-wall fans are compatible with wall thicknesses ranging from 3.5" to 10", making them ideal for installation in bedrooms, bathrooms, garages, laundry rooms, and storage areas. They support easy air transfer between rooms to maintain balanced airflow.With airflow capacities ranging from 110 to 305 CFM, these wall fans deliver rapid and efficient ventilation. Adjustable dual-direction airflow and motor speeds up to 3250 r/min ensure effective air circulation in various room sizes and conditions.Advanced models feature 10-speed settings and temperature control between 14℉ to 212℉, allowing users to customize airflow to seasonal changes. Some models include a multifunctional LCD display for smart monitoring and setting adjustments.Enjoy quiet operation under 46 dB, even at high speed. Whether you're working or sleeping, these fans maintain a peaceful environment. The energy-efficient motors ensure consistent performance with low power consumption from 6W to 20W.Each fan comes with complete installation accessories and optional remote control. Setup is straightforward with locator plates and pre-drilled panels. Premium models offer additional modes like heating, cooling, sleep, and lock for added functionality.Key DifferencesBT-RTR08-LCD delivers 305 CFM at 1750 r/min with 10-speed control, bi-directional airflow, LCD display, and temperature control from -14℉ to 212℉. It includes remote control and multifunctional modes for complete customization.BT-RTR08-DCG offers 180 CFM at 1440 r/min with manual bi-directional airflow, button control, and no temperature adjustment. It is a quiet and economical solution with basic ventilation needs.BT-RTR42-ECG provides 300 CFM at 3250 r/min with smart temperature control from 32℉ to 140℉, an LCD display, and a 10-speed remote system. It supports advanced airflow functions for demanding environments.BT-RTR25-AC1 outputs 110 CFM at 1486 r/min and includes a stretchable aluminum hose. Suitable for 4.9–10" walls, it's ideal for garage or laundry installations requiring flexible ducting.BT-RTR31-AC1 supports 205 CFM at 1640 r/min with single-speed operation and SPCC housing. Designed for wall thicknesses of 6–8.25", it offers durable performance without advanced settings.SpecificationsVoltage Frequency: AC 120V, 60HzPower Consumption: 6W / 10W / 12W / 18W / 20WFan Speed: 1440 / 1486 / 1640 / 1750 / 3250 r/minNoise Level: ≤46 dB (measured at 1 meter)Maximum Airflow: 110 / 180 / 205 / 300 / 305 CFMSpeed Settings: 10-Speed / Single-SpeedTemperature Control:BT-RTR08-LCD: -14℉ to 212℉BT-RTR42-ECG: 32℉ to 140℉Others: NoneFan Diameter: 4" / 6.3" / 7.48" / 110–190 mmWall Compatibility:BT-RTR08 series: 3.5–6.3 in / 90–160 mmBT-RTR42-ECG: 3.74–7.48 in / 95–190 mmBT-RTR25-AC1: 4.9–6.3 in (without hose), 7.67–10 in (with hose)BT-RTR31-AC1: 6–8.25 in / 152.4–209.55 mmMaterial: ABS Plastic / SPCC / PPItem Weights:BT-RTR08-DCG: 3.31 lbsBT-RTR08-LCD: 3.92 lbsBT-RTR42-ECG: 8.27 lbsBT-RTR25-AC1: 2.65 lbsBT-RTR31-AC1: 8.71 lbsDimensions (L x W x H):BT-RTR08 series: 10.12 x 10.12 x 4.61 in / 257 x 257 x 117 mmBT-RTR42-ECG: 16.54 x 4.53 x 7.76 in / 420 x 115 x 197 mmBT-RTR25-AC1: 9.72 x 9.72 x 5.71 in / 247 x 247 x 145 mmBT-RTR31-AC1: 12.2 x 10.63 x 10.51 in / 310 x 270 x 267 mmPackage ContentsBT-RTR08-LCD1 x Wall Vent Fan1 x Remote Control1 x Main Unit1 x Back Cover8 x Plastic Expansion Screws8 x M4 x 25 Large Flat-Head Self-Tapping Screws1 x Adapter2 x Installation Hole Locator Plates1 x User ManualBT-RTR08-DCG1 x Wall Vent Fan1 x Main Unit1 x Back Cover8 x Plastic Expansion Screws8 x M4 x 25 Large Flat-Head Self-Tapping Screws1 x Adapter2 x Installation Hole Locator Plates1 x User ManualBT-RTR42-ECG1 x Wall Vent Fan1 x Remote Control1 x Main Unit (No Power Cord)1 x Rear Grille1 x Rear Grille Bracket8 x Plastic Expansion Screws8 x M4 x 25 Large Flat-Head Self-Tapping Screws1 x User ManualBT-RTR25-AC11 x Wall Vent Fan1 x Main Unit1 x Rear Grille1 x Flange Connector4 x Plastic Expansion Screws4 x M4 x 25 Large Flat-Head Self-Tapping Screws1 x Aluminum Stretch Hose1 x Aluminum Foil Tape1 x User ManualBT-RTR31-AC11 x Wall Vent Fan1 x Main Unit1 x Panel4 x Plastic Expansion Screws4 x M4 x 25 Large Flat-Head Self-Tapping Screws4 x M8 Outer Hexagonal Expansion Screws1 x User Manual