even though I just ordered one. All three trees were planted and named (Hazel, Harriet and Hilda – a nod to the original H-hinges inside 1750 House) so that I can track and record each one’s progress. All was well for a couple of months...
The vent unit is moved back to a closed position due to tension in the tether. The tension results from inflation of the protection device away from a support unit by more than a preset distance.FISCHER, KURT F.DELVENTHAL, NEAL H.
The vent unit is moved to an open condition to enable fluid flow through a vent opening. The vent unit is moved back to a closed position due to tension in the tether. The tension results from inflation of the protection device away from a support unit by more than a preset distance....