Box Of 2 Holophane 4513-AS Glass Refractor. NO – New without Factory Packaging, NO. 23 x 23 x 19.5 in. Lighting Parts and Accessories. We offer a 7 day courtesy holding period for our clients. Please refer to the original listing for additional details and terms. NRI is not responsible for technical specs or fitment/application of a part. Please contact our Client Relations Department for all other return inquiries. Please contact our Client Relations Department for all other return inquires. Welcome to NRI Industrial Sales. We strive to offer the industry an economical solution for industrial parts and equipment. We are able to offer unbeatable value on quality products as we are the direct source. We pride ourselves in our continual effort of environmental improvement by keeping hundreds of tons of obsolete parts and equipment out of landfills and scrap piles while being committed to offering it all back to you at supplier pricing. Why go to a distributor when you can get the same parts fast for a fraction of the cost? We have years of collective and comprehensive knowledge and experience in industrial materials management. This means that we are able to provide the most value and innovation per your dollar spent. We ensure that your satisfaction is guaranteed, always. Valve Bodies and Manifolds.