PupGr. Synthetic GrBuilt for Dogs is artificial, fake grbuilt for dogs with instant drainage and antimicrobials.KGr., artificial grdesigned specifi.y for dogs, offers superior drainage, cleanliness, and a beautiful appearance. Contact us today for a consultation..ProGreen Synthetic Grstarted in and has been producing and installing our artificial grproducts for years..UK Artificial Grthat is designed for your dogs. Odour Bacteria reducing artificial grsystems for UK dog owners. Clean | Safe | Fresh.