MULTIPURPOSE - This item is suitable for chemistry classrooms, laboratories, chemical plants, suitable for teachers, chemists, researchers, etc.

WHAT YOU GET - The package comes with 1pcs filter adapter funnel flask cones set, 9 sizes; Color: Green. Size 1: (solid) 17 x 10 x 13mm / 0.67" x 0.39" x 0.51" (Max.OD*Min.OD*H); Size 2: 23 x 15 x 15 x 3mm / 0.91" x 0.59" x 0.59" x 0.12" (Max.OD*Min.OD*H*T); Size 3: 30 x 20 x17 x 3mm / 1.18" x 0.79" x 0.67" x 0.12" (Max.OD*Min.OD*H*T); Size 4: 35 x 21 x 23 x 3mm / 1.38" x 0.83" x 0.91" x 0.12" (Max.OD*Min.OD*H*T); Size 5: 42 x 26 x 27 x 3mm / 1.65" x 1.02" x 1.06" x 0.12" (Max.OD*Min.OD*H*T); Size 6: 50 x 32 x 31 x 4mm / 1.97" x 1.26" x 1.22" x 0.16" (Max.OD*Min.OD*H*T); Size 7: 60 x 42 x 32 x 5mm / 2.36" x 1.65" x 1.26" x 0.2" (Max.OD*Min.OD*H*T); Size 8: 71 x 53 x 32 x 6mm / 2.8" x 2.09" x 1.26" x 0.24" (Max.OD*Min.OD*H*T); Size 9: 83 x 64 x 33 x 6mm / 3.27" x 2.52" x 1.3" x 0.24" (Max.OD*Min.OD*H*T).

RELIABLE MATERIAL - This item is made of rubber material, which is electrically insulating and durable.

SPECIAL DESIGNED - Reduces the risk of damage when inserting or removing the glass stem through the rubber filter adapter taper.

KINDLY NOTE - All dimensions are measured manually, please allow 1-3mm error.