2020/12/15 · Corning™ PYREX™ PYREX™ Borosilicate Glass Flat Bottom Culture Tubes are designed for both tissue culture and general bacteriological work. Brand: PYREX™ 99448-16. Code : A0. Additional Details : Weight : 16.96434kg. View more versions of this product. Product Code. 10383613. £425.00 / Pack of 1000. Quantity.