Activated Carbon Filter:
Overall Size:
4" Flange:10"H x 7"D
Iodine Adsorption Value: 950 (High efficiency)
Carbon Layer Thickness:1.5 inches
Specific Surface Area: 900-1000 square meter per gram
Max. Endurable Temperature:400 degrees Celsius (Safer)
Operating Environment Temperature:-20 to 65 degrees Celsius
zinc-anodized steel housing mesh
1~1.5 years in life expectancy
Fan:
4" Inline Duct Fan
120V60HZ;101Watt;0.86A;2850RPM;189CFM;
Come completely wired with junction box, strain relief and power cord
Low noise

Silver Flex Ducting:
4" Double layer duct φ4" * 25FT
Elastic:Double silver layer

Clamps:
Size:4"1/2
Adjustable
Galvanized steel

24 hour Timer Outlet
Features:
15 minute On/Off
24 Hour Cycle
15 amps
Dual timer - controls two outlets simultaneously
Specs:Max Wattage 1800W;Max Current 15A/120V/60Hz

Digital Thermometer Hygrometer
Specification:
Temperature Range:
Indoor-10℃～+50℃ (+14℉ ～ +122℉)
Outdoor:-50℃～+70℃ (-58℉ ～ +158℉)
Humidity Range: indoor 20% ~ 90% RH（When the humidity<20%RH,display 10%RH directly.
Power-supply:1× AAA Battery (Included)

Fan Speed Controller
Features:
1.UL certificated for safe to use.
2.Full/Off/variable rocker switch
3. metal clamp at the back of the speed controller
4.variable speed control : Low, Medium or High speed.

Specifications:
1.Current capacity:15A
2.Voltage Capacity:120 AC
3.Fuse:15A
4.Line Cord:6ft（183cm),3-wire,UL Listed,Plug-3 pole,American(Grounded)
5.Dimensions:4-3/8(L),2-9/16(W),2-3/4(H）inches

Package includes:
1xCoal Based Activated Carbon Air Filter
1xChangeable Velcro Pre-filter
2x Elastic Ropes
1xSilver/Silver Flex Ducting
1xInline Fan
2xSteel Hose Clamps
1x 24 hour Timer
1x Fan Speed Controller
1x Digital Thermometer Hygrometer

• 4'' Inline Fan Carbon Filter Ducting Combo + Variable Fan Speed Controller + Hygrometer Thermometer + 24 Hour Timer Outlet for Hydroponic Grow Tent Ventilation System (4'' Ventilation Kit)
• Filter: Use Coal Based activated carbon environmentally friendly materials and Carbon Layer Thickness: 1.5 inches. Pre-filter included,Cleaner air to promote better health.
• Timer: Max Wattage 1800W; Max Current 15A/120V/60Hz
• Hygrometer:Degree C/ Degree F unit selectable;Clock & Calendar function (month and date);Desk-top placing or Wall Hanging.
• Fan Speed Controller: Speed control dial to control variable speed: Low, Medium or High speed