Caps and Closures
See our selection of laboratory caps and closures: plugs, thermostat caps, glass droppers and more.
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58-400 White Metal Cap with Plastisol Liner, CS1900, Min Order=Each
Qorpak
$2,060.00
Special Price $1,546.67
58-400 White Metal Cap with Plastisol Liner, CS1900, Min Order=Each Learn More -
For 10mm, 12mm, 13mm, 16mm and 18mm Blood Collection and Culture Tubes, Green, CS5000
Bio Plas
$423.72
Special Price $282.48
The Hexa-Flex™ liquid-tight seal ensures sample integrity and prevents spillage of serum samples. Hexa-Flex™ Safety Caps are available in a variety of colors which helps guard against sample cross-contamination and are convenient for color-coding to particular R&D projects. Hexa-Flex™ Safety Caps protect your laboratory staff from the aerosols of highly-infectious organisms such as TB and the HTLV-III virus. Learn More -
Uni-Flex Safety Caps for 16mm Blood Collecting & Culture Tubes, Red, CS10000
Bio Plas
$384.12
Special Price $256.08
Uni-Flex® Safety Caps Benefits: • Will not aerosol when opened • 10, 12, 13 and 16mm sizes fit all varieties of blood collecting and disposable culture tubes • Liquid tight seal prevents sample evaporation. The UniFlex® Safety Cap is designed to hold under centrifugation, agitation, refrigeration and freezing. • Easy identification of samples: Uni-Flex® Safety Caps are available in seven colors that conveniently correspond to blood collection cap colors • The Uni-Flex Safety Cap locks securely onto the outside of the tube lip to prevent evaporation. • Easy, one hand removal and application. To close, press down firmly with thumb to lock in place. To open, simply pry cap up with thumb. • Easy to label: Write directly on the cap with indelible ink • Clear, natural colored caps are tracemetal free Learn More -
Uni-Flex Safety Caps for 12mm Culture Tubes & 13mm Blood Collecting Tubes, Green, PK1000
Bio Plas
$38.42
Special Price $25.61
Uni-Flex® Safety Caps Benefits: • Will not aerosol when opened • 10, 12, 13 and 16mm sizes fit all varieties of blood collecting and disposable culture tubes • Liquid tight seal prevents sample evaporation. The UniFlex® Safety Cap is designed to hold under centrifugation, agitation, refrigeration and freezing. • Easy identification of samples: Uni-Flex® Safety Caps are available in seven colors that conveniently correspond to blood collection cap colors • The Uni-Flex Safety Cap locks securely onto the outside of the tube lip to prevent evaporation. • Easy, one hand removal and application. To close, press down firmly with thumb to lock in place. To open, simply pry cap up with thumb. • Easy to label: Write directly on the cap with indelible ink • Clear, natural colored caps are tracemetal free Learn More -
Uni-Flex Safety Caps for 10mm Blood Collecting & Culture Tubes, Blue, CS10000
Bio Plas
$384.12
Special Price $256.08
Uni-Flex® Safety Caps Benefits: • Will not aerosol when opened • 10, 12, 13 and 16mm sizes fit all varieties of blood collecting and disposable culture tubes • Liquid tight seal prevents sample evaporation. The UniFlex® Safety Cap is designed to hold under centrifugation, agitation, refrigeration and freezing. • Easy identification of samples: Uni-Flex® Safety Caps are available in seven colors that conveniently correspond to blood collection cap colors • The Uni-Flex Safety Cap locks securely onto the outside of the tube lip to prevent evaporation. • Easy, one hand removal and application. To close, press down firmly with thumb to lock in place. To open, simply pry cap up with thumb. • Easy to label: Write directly on the cap with indelible ink • Clear, natural colored caps are tracemetal free Learn More -
Uni-Flex Safety Caps for 10mm Blood Collecting & Culture Tubes, Red, PK1000
Bio Plas
$38.42
Special Price $25.61
Uni-Flex® Safety Caps Benefits: • Will not aerosol when opened • 10, 12, 13 and 16mm sizes fit all varieties of blood collecting and disposable culture tubes • Liquid tight seal prevents sample evaporation. The UniFlex® Safety Cap is designed to hold under centrifugation, agitation, refrigeration and freezing. • Easy identification of samples: Uni-Flex® Safety Caps are available in seven colors that conveniently correspond to blood collection cap colors • The Uni-Flex Safety Cap locks securely onto the outside of the tube lip to prevent evaporation. • Easy, one hand removal and application. To close, press down firmly with thumb to lock in place. To open, simply pry cap up with thumb. • Easy to label: Write directly on the cap with indelible ink • Clear, natural colored caps are tracemetal free Learn More -
For 10mm, 12mm, 13mm, 16mm and 18mm Blood Collection and Culture Tubes, Natural, PK500
Bio Plas
$17.50
Special Price $11.67
The Hexa-Flex™ liquid-tight seal ensures sample integrity and prevents spillage of serum samples. Hexa-Flex™ Safety Caps are available in a variety of colors which helps guard against sample cross-contamination and are convenient for color-coding to particular R&D projects. Hexa-Flex™ Safety Caps protect your laboratory staff from the aerosols of highly-infectious organisms such as TB and the HTLV-III virus. Learn More -
Uni-Flex Safety Caps for 13mm Culture Tubes, Blue, PK1000
Bio Plas
$38.42
Special Price $25.61
Uni-Flex® Safety Caps Benefits: • Will not aerosol when opened • 10, 12, 13 and 16mm sizes fit all varieties of blood collecting and disposable culture tubes • Liquid tight seal prevents sample evaporation. The UniFlex® Safety Cap is designed to hold under centrifugation, agitation, refrigeration and freezing. • Easy identification of samples: Uni-Flex® Safety Caps are available in seven colors that conveniently correspond to blood collection cap colors • The Uni-Flex Safety Cap locks securely onto the outside of the tube lip to prevent evaporation. • Easy, one hand removal and application. To close, press down firmly with thumb to lock in place. To open, simply pry cap up with thumb. • Easy to label: Write directly on the cap with indelible ink • Clear, natural colored caps are tracemetal free Learn More -
Uni-Flex Safety Caps for 10mm Blood Collecting & Culture Tubes, Green, PK1000
Bio Plas
$38.42
Special Price $25.61
Uni-Flex® Safety Caps Benefits: • Will not aerosol when opened • 10, 12, 13 and 16mm sizes fit all varieties of blood collecting and disposable culture tubes • Liquid tight seal prevents sample evaporation. The UniFlex® Safety Cap is designed to hold under centrifugation, agitation, refrigeration and freezing. • Easy identification of samples: Uni-Flex® Safety Caps are available in seven colors that conveniently correspond to blood collection cap colors • The Uni-Flex Safety Cap locks securely onto the outside of the tube lip to prevent evaporation. • Easy, one hand removal and application. To close, press down firmly with thumb to lock in place. To open, simply pry cap up with thumb. • Easy to label: Write directly on the cap with indelible ink • Clear, natural colored caps are tracemetal free Learn More -
Uni-Flex Safety Caps for 13mm Culture Tubes, Green, CS10000
Bio Plas
$384.12
Special Price $256.08
Uni-Flex® Safety Caps Benefits: • Will not aerosol when opened • 10, 12, 13 and 16mm sizes fit all varieties of blood collecting and disposable culture tubes • Liquid tight seal prevents sample evaporation. The UniFlex® Safety Cap is designed to hold under centrifugation, agitation, refrigeration and freezing. • Easy identification of samples: Uni-Flex® Safety Caps are available in seven colors that conveniently correspond to blood collection cap colors • The Uni-Flex Safety Cap locks securely onto the outside of the tube lip to prevent evaporation. • Easy, one hand removal and application. To close, press down firmly with thumb to lock in place. To open, simply pry cap up with thumb. • Easy to label: Write directly on the cap with indelible ink • Clear, natural colored caps are tracemetal free Learn More