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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4
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Description
Vacuum Pump ChemkerVacuum Pump Chemker 300 411 611 is designed for chemical resistant vacuum applications, featuring PTFE components for superior durability. Perfect for laboratories, chemical analysis, and industrial vacuum processes requiring high chemical resistance. Features and Benefits: Superior Chemical Resistance All wetted parts of Checker pumps are made of PTFE and FFKM material, making them resistant to most corrosive gases. Oil Free Maintenance Free Drive by
Vacuum Pump Chemker 300/411/611 is designed for chemical-resistant vacuum applications, featuring PTFE components for superior durability. Perfect for laboratories, chemical analysis, and industrial vacuum processes requiring high chemical resistance.
Features and Benefits:
- Superior Chemical Resistance
All wetted parts of Checker pumps are made of PTFE and FFKM material, making them resistant to most corrosive gases.
- Oil Free / Maintenance Free
Drive by diaphragm, without the need of lubricant, regular oil changes and maintenance; with no oil pollution
- Quiet and Low Vibration
Mechanism technique and quality vibration proof assembles make pumps run at the lowest noise with stability
- Overheat Protection
Equipped with overheat protection device that shuts down when overheated and resumes once cooled down, making the pump safe and long lasting
Certifications:
- CE certification
- UKCA certification
- RoHS certification
Applications:
- Solvent purification
- Solid-Phase Extraction
- Gel electrophoresis
- Vacuum filtration
Pack Size: Each
Warranty: 12 months
| Product | Max Vacuum | Max Flow Rate | Weight | LxWxH |
| Chemker 300 | 99mBar abs. | 18L/min | 5kg | 20 x 11 x 21cm |
| Chemker 411 | 10mBar abs. | 18L/min | 7.4kg | 26 x 24 x 19cm |
| Chemker 611 | 7mBar abs. | 30L/min | 13.7kg | 35 x 20 x 24cm |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 5
Very Nice Purse
Color: Black
I love the look, soft leather and good quality. Although the size indicates small, I would say it is medium size.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 14, 2026
★★★★★ 4
Good value
Color: Beige-3
I really like this bag. It looks more expensive than it is. I get a lot of compliments. Roomie and lightweight. Just the right size for my purposes.
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Reviewed in the United States on January 30, 2026
★★★★★ 5
Perfect size for me!
Color: Black
I've had this bag for several months! It's in GREAT condition for the price that I got it for! I've had one maybe a couple stitches on the handle fray a little bit, but other than that it's holding up amazingly! Surprisingly it holds a lot, wallet, keys, small makeup bag, and a smaller bag for hair ties, pins, tampons and whatnot. It's very soft, the color doesn't fade! The material isn't hard leather, it's very maluable, making it fit wherever you put it, which is exactly what I was looking for. When this one eventually wears out, I'll 100% buy another one again because it's small and it matches every single one of my outfits!
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Reviewed in the United States on April 7, 2026
★★★★★ 3
Cute but cheaply made
Color: Black
I love this bag so much. However, I had to purchase twice because the first one broke due to the fabric on the inside catching on the zipper and when I tried to undo it, it ripped. The second bag still has problems with the zipper but it has stayed in good condition. The bag holds quite a lot and it’s really good. Overall I would say that bad is cheap but also lasts? Just be cautious of the zipper.
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Reviewed in the United States on September 28, 2025
★★★★★ 5
Excelente compra
Color: White
A pesar de ser un bolso relativamente pequeño me sorprendió por el espacio que tiene,cabe lo mucho y lo poco ,sin dejar de ser muy lindo también
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Reviewed in the United States on May 28, 2026
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