Haxnicks Tomato Crop Booster Poly Cover. The Haxnicks Tomato Crop Booster Poly Cover was designed to solve this issue. Made from clear, UV stabilised PVC with reinforced edges made from premium fabric, this poly cover features adjustable vents with fine insect netting to allow ventilation and help maintain optimum growing conditions, all while preventing insects and pests from getting at your plants.
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