Vintage Dr. Grabow Pipe Filters with Retail Display Packs of 10 Unopened RARE Posted on December 12, 2023December 12, 2023 by admin VINTAGE NEW OLD STOCK ITEM SEE PHOTOS FOR DETAILS. Grabow Pipe Filters w/ Retail Display Packs of 10 Unopened RARE. We want you to get great deals at great prices and return to shop with us again and again! Share Posted in vintage and tagged display, filters, grabow, packs, pipe, rare, retail, unopened, vintage.