Globe Scientific
1000 µL PosiStop Filter Pipette Tips, Graduated, Sterile & Non-Sterile — Bulk Bag, Racked & GreenRack, 1000/Bag & 576/Box | Globe Scientific
1000 µL PosiStop Filter Pipette Tips, Graduated, Sterile & Non-Sterile — Bulk Bag, Racked & GreenRack, 1000/Bag & 576/Box | Globe Scientific
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1000 µL PosiStop Filter Pipette Tips, Graduated, Sterile & Non-Sterile — Bulk Bag, Racked & GreenRack
The PosiStop Filter Pipette Tip delivers aerosol-barrier protection for 1000 µL pipetting in PCR setup, qPCR template handling, and nucleic acid extraction. Graduated markings support accurate volume verification, while the hydrophobic filter blocks aerosols and liquid overaspiration to prevent cross-contamination of samples and pipette shafts.
Technical Specifications
| Product Type | Filter Pipette Tip (aerosol barrier) |
| Volume/Size | 1000 µL |
| Material | Virgin polypropylene |
| Closure/Cap | N/A — PosiStop self-sealing filter barrier |
| Graduation | Yes, graduated |
| Sterility | Available sterile and non-sterile (see options) |
| Pack Size | 1000/bag (bulk) or 576/box (6 racks × 96) |
Available Packagings
| Bulk Bag | 154235 | $104.70 |
| Bulk Bag, Sterile | 154235S | $112.90 |
| Racked, Sterile | 154235RS | $91.20 |
| GreenRack, Sterile | 154235ERS | $81.60 |
Applications
- PCR and qPCR master mix and template dispensing
- Nucleic acid extraction and purification workflows
- Sterile cell culture media and reagent transfers
- Aerosol-sensitive sample handling to prevent carryover
- Serial dilutions requiring graduated volume verification
- High-throughput liquid handling on benchtop pipettes
Quality & Procurement
Sold by labsupplies.com, an authorized Globe Scientific dealer shipping from US inventory. Each bag, rack, and box carries lot numbers to support traceability for CAP-, CLIA-, and ISO 15189-accredited laboratories. Institutional and grant-funded tiered pricing is available — contact our procurement team for volume quotes and standing-order terms.
Frequently Asked Questions
Are these PosiStop tips DNase, RNase, and pyrogen free?
The sterile PosiStop options are manufactured for molecular biology use and are intended to be free of detectable DNase, RNase, and pyrogens. Refer to the lot documentation supplied with each box for the certified specifications applicable to your shipment.
What does the GreenRack option offer versus a standard rack?
SKU 154235ERS supplies the same sterile, graduated 1000 µL filter tips in an eco-conscious GreenRack format that reduces plastic packaging waste. It ships 96 tips per rack across 6 racks, matching the standard racked configuration for loading on most pipettes.
Which pipettes are these 1000 µL filter tips compatible with?
These tips fit most standard single- and multichannel air-displacement pipettes rated for the 1000 µL volume range. Always confirm fit against your specific pipette model, since universal compatibility varies by manufacturer.
How many tips come in the bulk bag versus the racked options?
Bulk bag SKUs 154235 and 154235S contain 1000 tips per bag. Racked SKUs 154235RS and 154235ERS supply 96 tips per rack across 6 racks per box, totaling 576 tips per box.
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