View cart “Filter Paper (Whatman)” has been added to your cart. Brush, Flask$15.47 Brush, Flask quantity Add to cart SKU: LE-0350 Categories: Brushes, Laboratory Glassware and Equipment Tag: LE Description Description Angled for flask cleaning, 16″ overall length with 4″ brush. Related products Filter Paper (Whatman) $66.85 Hydrometers $49.80 pH/ORP Cable Assembly $135.96 – $151.82 Filter Paper (Whatman #42) $83.50 – $160.83