Inflation kit for outside installation (where outside humidity is lower than inside greenhouse humidity) to prevent condensation between the two covering films. Frame and protector in galvanized steel, plate for adjustment of flow. Frame with styrofoam insulation, fit on 1-1/4" purlin. Including adjustable blower on isolated frame with 4.75" diameter tee outlet, 2 films adapters and 20' of 4.75" diameter poly tube.
