Find 20mm end caps Curtains in Shopzilla's Home & Garden category: Compare prices of 20mm end caps Curtains and buy your new 20mm end caps Curtain at a good price. When buying Curtains, check how shoppers rated the different online shops. Simply select the store that has the Curtain you're looking for. If a Home & Garden store isn't rated yet it means that Shopzilla is still collecting shopper reviews.