Vostermans Varifan Variable Speed Drive with Manual Override Size:10 Amp The fan blade is made

The fan blade is made of chemical-resistant polypropylene

The simplicity and ease of use

Perfect for one standard 10 in x 20 in propagation tray

• With Earthworm Castings and Bat Guano

Noticeable increases in yield and quality are easily depicted in side-by-side presentations

Vostermans Varifan Variable Speed Drive with Manual Override Size:10 Amp The fan blade is madeAvailable in three different models that have a 0 10 V or 4 20 mA input signal. Easy to access toggle switch to select manual or automatic mode as well as a manual speed selector dial on the faceplate. Internal minimum speed adjustment with possibility to work continuously at minimum speed. Comes in a rugged, sealed enclosure that protects from light, moisture and dust. Includes extended supply voltage range and a radio interference filter.