Hollow Stoppers, High Quality Borosilicate Glass (BORO 3.3), Heavy Quality
- Lightweight hollow design reduces joint stress
- Precision-ground for airtight, leak-resistant sealing
- Durable and reusable for long-term use
- Ideal for flasks, condensers, and jointed glassware
- Used in chemistry, pharmaceutical, and academic labs
- Made from LabChoice BORO 3.3 glass – High quality
Price range: $2.10 through $12.50
This product has multiple variants. The options may be chosen on the product page
Penny Head Ground Glass Stopper, High Quality Borosilicate Glass, Heavy Quality
- Penny head shape allows easy handling and grip
- Ground glass taper ensures airtight sealing
- Heavy quality glass for durability and lab safety
- Used in reagent bottles, flasks, and tubing ports
- Ideal for chemical storage and sample protection
- Made from LabChoice BORO 3.3 glass – High quality
Price range: $2.00 through $13.50
This product has multiple variants. The options may be chosen on the product page
Rubber Cork Stopper, Lab-Grade, High Quality & Reusable
- Flexible rubber ensures tight, leakproof sealing
- Lab-grade material resists chemicals and moisture
- Reusable for repeated sealing and experiment cycles
- Available in multiple sizes to fit common labware
- Used in teaching, research, and industrial settings
- Made from high-quality, durable lab-grade rubber
Price range: $0.35 through $17.20
This product has multiple variants. The options may be chosen on the product page