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Picture of Optimum® BesTubes™, ScrewCap Microcentrifuge Tubes - Sterile & Non-Sterile
Picture of Optimum® BesTubes™, ScrewCap Microcentrifuge Tubes - Sterile & Non-Sterile
Picture of Optimum® BesTubes™, ScrewCap Microcentrifuge Tubes - Sterile & Non-Sterile

Optimum® BesTubes™, ScrewCap Microcentrifuge Tubes - Sterile & Non-Sterile

Optimum ScrewCap BesTubes
• Available in Sterile and Non-Sterile packaging
• 0.5ml, 1.5ml, and 2.0ml tube sizes • Very Transparent
• Choose Conical or Free-Standing Bottom • Rated: 20,000 x g
• Natural ScrewCaps with a Black O-Ring Seal
• Etched writing ID surface area on top of screwcap
• Interlock Side Ribs for interlocking into racks for one handed operation
• Packaging: Certified RNase, DNase, DNA, Pyrogen FREE

COLORED NON-STERILE SCREWCAPS are available, INQUIRE.
Picture of 0.5ml, STERILE, Self-Standing Bottom, Standard ScrewCap with O'ring, 50/bag, (2x500/Pack) 1000/pack
0.5ml, STERILE, Self-Standing Bottom, Standard ScrewCap with O'ring, 50/bag, (2x500/Pack) 1000/pack
STERILE - PACK of 1000
0.5ml, STERILE, Self-Standing Bottom, Standard ATTACHED ScrewCap with O'ring, 50/bag, (2x500/Pack) 1000/pack
SKU: 44200S (PK)
Old price: $302.10
$286.00
Picture of AMBER, 0.5ml, STERILE, Self-Standing Bottom, Standard ScrewCap with O'ring, 50/bag, (2x500/Pack) 1000/pack
AMBER, 0.5ml, STERILE, Self-Standing Bottom, Standard ScrewCap with O'ring, 50/bag, (2x500/Pack) 1000/pack
AMBER STERILE - PACK of 1000
AMBER, 0.5ml, STERILE, Self-Standing Bottom, Standard ATTACHED ScrewCap with O'ring, 50/bag, (2x500/Pack) 1000/pack
SKU: 44201S-AM (PK)
Old price: $332.80
$309.55
Picture of 1.5ml, STERILE, Conical Bottom, Standard ScrewCap with O'ring, 50/bag, (2x500/Pack) 1000/pack
1.5ml, STERILE, Conical Bottom, Standard ScrewCap with O'ring, 50/bag, (2x500/Pack) 1000/pack
STERILE - PACK of 1000
1.5ml, STERILE, Conical Bottom, Standard ATTACHED ScrewCap with O'ring, 50/bag, (2x500/Pack) 1000/pack
SKU: 44202S (PK)
Old price: $302.10
$286.55
Picture of 2.0ml, STERILE, Conical Bottom, Standard ScrewCap with O'ring, 50/bag, (2x500/pack) 1000/pack
2.0ml, STERILE, Conical Bottom, Standard ScrewCap with O'ring, 50/bag, (2x500/pack) 1000/pack
STERILE - PACK of 1000
2.0ml, STERILE, Conical Bottom, Standard ATTACHED ScrewCap with O'ring, 50/bag, (2x500/pack) 1000/pack
SKU: 44203S (PK)
Old price: $302.10
$286.55
Picture of 2.0ml, STERILE, Self-Standing Bottom, Standard ScrewCap with O'ring, (5x100/Pack) 500/pack
2.0ml, STERILE, Self-Standing Bottom, Standard ScrewCap with O'ring, (5x100/Pack) 500/pack
STERILE - PACK of 500 Tubes
2.0ml, STERILE, Self-Standing Bottom, Standard ATTACHED ScrewCap with O'ring, (5x100/Pack) 500/pack
SKU: 44204S
Old price: $171.10
$122.30
Picture of 2.0ml, STERILE, Self-Standing Bottom, Standard ScrewCap with O'ring, (5x100) 500/pack, 2500/case
2.0ml, STERILE, Self-Standing Bottom, Standard ScrewCap with O'ring, (5x100) 500/pack, 2500/case
STERILE - CASE of 2500 Tubes
2.0ml, STERILE, Self-Standing Bottom, Standard ATTACHED ScrewCap with O'ring, (5x100/Pack) 500/pack, 5 packs/case (2500 tubes)
SKU: 44204S (CS)
Old price: $712.70
$395.80
Picture of AMBER, 2.0ml, STERILE, Self-Standing Bottom, Standard ScrewCap with O'ring, 50/bag, (20x50/Pack) 1000/pack
AMBER, 2.0ml, STERILE, Self-Standing Bottom, Standard ScrewCap with O'ring, 50/bag, (20x50/Pack) 1000/pack
AMBER STERILE - PACK of 1000
AMBER, 2.0ml, STERILE, Self-Standing Bottom, Standard ATTACHED ScrewCap with O'ring, 50/bag, (20x50/Pack) 1000/pack
SKU: 44204S-AM (PK)
Old price: $332.80
$309.55
Picture of 0.5ml, Non-Sterile, Self-Standing Bottom, Standard Screw-Cap with O'ring, DoublePack (2x500/Pack) 1000/pack
0.5ml, Non-Sterile, Self-Standing Bottom, Standard Screw-Cap with O'ring, DoublePack (2x500/Pack) 1000/pack
NON-STERILE - PACK-1000
0.5ml, Non-Sterile, Self-Standing Bottom, Standard ScrewCap with O'ring, DoublePack (2x500/Pack) 1000/pack
SKU: LS-4200-1N
Old price: $172.60
$166.45
Picture of 1.5ml, Non-STERILE, Conical Bottom, Standard Screw-Cap with O'ring, DoublePack (2x500/Pack) 1000/pack
1.5ml, Non-STERILE, Conical Bottom, Standard Screw-Cap with O'ring, DoublePack (2x500/Pack) 1000/pack
NON-STERILE - PACK-1000
1.5ml, Non-Sterile, Conical Bottom, Standard ScrewCap with O'ring, DoublePack (2x500/Pack) 1000/pack
SKU: LS-4202-1N
Old price: $183.90
$177.30
Picture of 2.0ml, Non-Sterile, Self-Standing Bottom, Standard ScrewCap with O'ring, DoublePack (2x500/Pack) 1000/pack
2.0ml, Non-Sterile, Self-Standing Bottom, Standard ScrewCap with O'ring, DoublePack (2x500/Pack) 1000/pack
NON-STERILE - PACK-1000
2.0ml, Non-Sterile, Self-Standing Bottom, Standard ScrewCap with O'ring, DoublePack (2x500/Pack) 1000/pack
SKU: LS-4204-1N
Old price: $172.60
$166.45
Picture of Amber 2.0ml, Non-Sterile, Self-Standing Bottom, Standard Screw-Cap with O'ring, DoublePack (2x500/Pack) 1000/pack
Amber 2.0ml, Non-Sterile, Self-Standing Bottom, Standard Screw-Cap with O'ring, DoublePack (2x500/Pack) 1000/pack
AMBER NON-STERILE - PACK-1000
Amber 2.0ml, Non-Sterile, Self-Standing Bottom, Standard ScrewCap with O'ring, DoublePack (2x500/Pack) 1000/pack
SKU: LS-4204-1AMBER
Old price: $229.20
$201.60
Blue Color, Screw-Caps with O'rings (2x500/pk) 1000/pack
Blue Color, Screw-Caps with O'rings (2x500/pk) 1000/pack
SKU: LS-4215-1B
$108.55
Picture of Natural, Screw-Caps for Microcentrifuge-Tubes, 1000/pack
Natural, Screw-Caps for Microcentrifuge-Tubes, 1000/pack
Natural Color
Screw-Caps with O'ring
for Screw-Cap Microcentrifuge Tubes
1000/pack
SKU: LS-4215-1
$100.70
Picture of Sterile OPTIMUM® - Skirted 0.5ml Microcentrifuge-Tubes, with attached Tethered (Loop) Screw-cap with O-Ring, (10x50/pack), 500/pack
Sterile OPTIMUM® - Skirted 0.5ml Microcentrifuge-Tubes, with attached Tethered (Loop) Screw-cap with O-Ring, (10x50/pack), 500/pack
Sterile, Skirted 0.5ml MicrocentrifugeTubes with attached Tethered (Loop) ScrewCaps with O-ring (black ethylene propylene), RNase/DNase/Pyrogen Free, (10x50/pack), 500/pack

Note: these tubes have a light yellow tint because they are
ETO (Ethylene Oxide) sterilized, versus Gamma Irradiation sterilized.
SKU: 46200T (PK)
$164.65

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