Check the listing for details. White PVC Greenhouse Clamps - 20 Packs. Condition: New. Listed at 19.49 USD. Comes in PACKS OF 20. Secure Hold - PVC Greenhouse Clamps provide a strong hold on the film without punctures or adhesives. Easily secure your greenhouse plastic sheeting, shade cloth, construction film, or any other type of material without tearing or damaging your product. Uses - Great for building cold frames, greenhouses, shelters, or row covers. Compatible with any type of pipe, including PVC. Strong grip with ABS, will not degrade your plastic sheeting or film over time. UV Stabilized - PVC Clamp Greenhouse Clamps allow quick and easy attachment of tarps, plastic sheeting, shade cloth or netting to any type of pipe. These durable PVC clamps are UV stabilized and frost resistant to provide many years of dependable use. Premium Gardening Supplies - Our pipe Greenhouse clamps are for gardeners, farmers, or everyday growers. Farm Plastic Supply aims to offer premium gardening products and farming solutions.Comes in PACKS OF 20. Secure Hold - PVC Greenhouse Clamps provide a strong hold on the film without punctures or adhesives. Easily secure your greenhouse plastic sheeting, shade cloth, construction film, or any other type of material without tearing or damaging your product. Uses - Great for building cold frames, greenhouses, shelters, or row covers. Compatible with any type of pipe, including PVC. Strong grip with ABS, will not degrade your plastic sheeting or film over time. UV Stabilized - PVC Clamp Greenhouse Clamps allow quick and easy attachment of tarps, plastic sheeting, shade cloth or netting to any type of pipe. These durable PVC clamps are UV stabilized and frost resistant to provide many years of dependable use. Premium Gardening Supplies - Our pipe Greenhouse clamps are for gardeners, farmers, or everyday growers. Farm Plastic Supply aims to offer premium gardening products and farming solutions.