Science › RUBBER STOPPERS - BOTTOM DIA. 34MM / TOP DIA. 39MM - SOLID #13 (PACK OF 10) Image 1 of 1 RUBBER STOPPERS - BOTTOM DIA. 34MM / TOP DIA. 39MM - SOLID #13 (PACK OF 10) $20.90 Code: LW5207-01 Add To Cart Added! Code: LW5207-01 Rubber stopper. Top x Length x Bottom: 39 × 31 × 34mm. You Might Also Like Quick View RUBBER STOPPER - BOTTOM DIA. 50MM / TOP DIA. 59MM - SOLID #20 $9.35 Quick View RUBBER STOPPERS - BOTTOM DIA. 12MM / TOP DIA. 15MM - SOLID #1 (PACK OF 10) $5.50 Quick View RUBBER STOPPERS - BOTTOM DIA. 27MM / TOP DIA. 33MM - SOLID #10 (PACK OF 10) $14.85 Quick View RUBBER STOPPERS - BOTTOM DIA. 36MM / TOP DIA. 41MM - SOLID #14 (PACK OF 10) $24.75 Quick View RUBBER STOPPERS - BOTTOM DIA. 20.5MM / TOP DIA. 26MM - SOLID #7 (PACK OF 10) $10.45