Science › RUBBER STOPPERS - BOTTOM DIA. 12MM / TOP DIA. 15MM - SOLID #1 (PACK OF 10) Image 1 of 1 RUBBER STOPPERS - BOTTOM DIA. 12MM / TOP DIA. 15MM - SOLID #1 (PACK OF 10) $5.50 Code: LW5087-01 Add To Cart Added! Code: LW5087-01 Rubber stopper. Top x Length x Bottom: 15 × 16 × 12mm. You Might Also Like Quick View RUBBER STOPPERS - BOTTOM DIA. 30MM / TOP DIA. 34MM - SOLID #11 (PACK OF 10) $15.40 Quick View RUBBER STOPPERS - BOTTOM DIA. 22MM / TOP DIA. 27MM - SOLID #8 (PACK OF 10) $11.00 Quick View RUBBER STOPPERS - BOTTOM DIA. 36MM / TOP DIA. 41MM - SOLID #14 (PACK OF 10) $24.75 Quick View RUBBER STOPPER - BOTTOM DIA. 50MM / TOP DIA. 59MM - SOLID #20 $9.35 Quick View RUBBER STOPPER - BOTTOM DIA. 49MM / TOP DIA. 55MM - SOLID #19 $8.47