Science › RUBBER STOPPERS - BOTTOM DIA. 17MM / TOP DIA. 23MM - SOLID #6 (PACK OF 10) Image 1 of 1 RUBBER STOPPERS - BOTTOM DIA. 17MM / TOP DIA. 23MM - SOLID #6 (PACK OF 10) $8.80 Code: LW5137-01 Add To Cart Added! Code: LW5137-01 Rubber stopper. Top x Length x Bottom: 23 × 23 × 17mm. You Might Also Like Quick View RUBBER STOPPERS - BOTTOM DIA. 34MM / TOP DIA. 39MM - SOLID #13 (PACK OF 10) $20.90 Quick View RUBBER STOPPERS - BOTTOM DIA. 15MM / TOP DIA. 18MM - SOLID #3 (PACK OF 10) $6.60 Quick View RUBBER STOPPERS - BOTTOM DIA. 16MM / TOP DIA. 19.5MM - SOLID #5 (PACK OF 10) $8.25 Quick View RUBBER STOPPER - BOTTOM DIA. 49MM / TOP DIA. 55MM - SOLID #19 $8.47 Quick View RUBBER STOPPERS - BOTTOM DIA. 12MM / TOP DIA. 15MM - SOLID #1 (PACK OF 10) $5.50