"300-ft. roll of 1/2in. polytubing designed to work with windmill aeration systems. Hosing is designed to move along as the windmill turns. U.S.A. Material Type Poly, Adjustment Type Turn dial adjustment, Adjustable Yes, Diameter in. 1/2, Dimensions L x W x H in. 2 1/2 x 5 1/2 x 5 3/4, Compatible With Water pump, Length ft. 300."
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