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Cellulose Acetate, Single Layer (RT) Syringe Filter, Non-Sterile, 0.45um, 25mm, 100/unitSpecification Value Name Syringe Filter Membrane Type Cellulose Acetate Layers Single Layer (RT) Sterility Non Sterile Pore Size 0. 45um Diameter 25mm Quantity 100 unit SKU SFN FR 2025 A non sterile filtration solution for sample preparation. This Cellulose Acetate membrane filter provides efficient particle removal and sample clarification for HPLC, LC MS, and general laboratory filtration, supplied 100 unit. Designed for low extractables and
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Best in 7 days
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Best in 7 days
Best in 7 days
4.2 ★★★★★
Based on 847 reviews
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Product Reviews
★★★★★ 5
Best that I have found for dry mouth.
These are the best for dry mouth at night. They mostly stay stuck. I say mostly because I have had a few come apart. I think that was my fault.
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Reviewed in the United States on February 20, 2026
★★★★★ 5
A Must-Read (or Listen) for Every Entrepreneur
Format: Audiobook
This book came highly recommended by a fellow entrepreneur I trust, and I started listening to it almost immediately after purchasing—and I’m so glad I did. Who Not How has completely shifted the way I think about growth, productivity, and collaboration in my business. It's now a staple recommendation I make to all the entrepreneurs I work with. It’s insightful, empowering, and essential for anyone looking to scale their impact by working smarter—not harder. If you’re building a business or leading a team, this one’s a no-brainer.
Pros:
Powerful Mindset Shift: The central idea—stop asking “How can I do this?” and start asking “Who can help me do this?”—is simple but transformative. It helped me rethink delegation, collaboration, and building a team.
Actionable for Entrepreneurs: As someone who works with social entrepreneurs, this book now tops my list of recommendations. It’s a game-changer for anyone feeling stuck, overwhelmed, or trying to do everything themselves.
Engaging & Easy to Digest: Whether you’re reading or listening, the content flows well and feels conversational. It’s packed with real-world examples that make the concepts stick.
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Reviewed in the United States on April 19, 2025
★★★★★ 5
Business Breakthroughs Await: Unleash the Potential of "Who Not How" in Your Ventures!
Format: Kindle
The impact on business success is exponential for those implementing Dan Sullivan’s “Who Not How” model. The strategic framework presented in the book has fundamentally altered the way entrepreneurs navigate the challenges of running and growing their businesses. The model is a game-changer, shifting from the traditional “how” to the more effective “who.”
Below are a few key points:
Define Your Unique Value Proposition (UVP):
The model encourages businesses to articulate what sets them apart, fostering a deep understanding and effective communication of their unique value.
It provides guidance on identifying specific topics and themes that resonate most with the target customers, resulting in a more targeted and impactful approach.
Identify Key Tasks:
The book prompts entrepreneurs to compile a comprehensive list of tasks crucial for business operations and growth, including marketing, branding, and sales.
Categorize Tasks:
Categorizing tasks into areas of expertise, such as marketing, operations, content creation, and sales, clarifies resource allocation for optimal results.
Prioritize High-Impact Tasks:
The model assists in identifying tasks with the highest impact on business growth, such as creating compelling content, building a robust online presence, and securing motivated customers.
Identify “Whos”:
The transformative recommendation to identify experts or partners for specific tasks has proven beneficial. Hiring specialized individuals, like a virtual assistant for administrative tasks, a marketing expert for online promotion, and dedicated customer service, enhances efficiency and customer satisfaction.
Build a Team of Experts:
Assembling a team of individuals with complementary skills is a game-changer. Leveraging the efficiency of freelancers, agencies, and part-time professionals fulfills specific roles, contributing to overall business growth.
Dan Sullivan’s “Who Not How” model is more than just a book; it’s a strategic guide empowering businesses to leverage expertise and build a team capable of achieving remarkable results.
The book is highly recommended to fellow entrepreneurs seeking exponential business growth. ~ Linsey Mills
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Reviewed in the United States on January 19, 2024
★★★★★ 5
Freedom. At last!
Format: Hardcover, Format: Hardcover
Amazing! This book put everything into with great perspective. Stop chasing getting things done that you can have someone else with their genius tackle. It will free your soul and time in ways you can’t imagine. Thank you for the brilliance!
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Reviewed in the United States on January 25, 2026
★★★★★ 4
Unlocking Success Beyond Self-Reliance
Format: Kindle
Dan Sullivan’s book “Who Not How” is a transformative guide that redefines the way we approach challenges and goals. Rather than asking “How can I do this?” the book challenges readers to ask, “Who can help me achieve this?” This shift in thinking opens up the potential for exponential growth, efficiency, and success.
Sullivan’s core premise is that the path to achieving your ambitions isn’t about taking on everything yourself but rather identifying the right people who can help you get there. This insight is particularly valuable for those who find themselves caught in a cycle of overwork and frustration when trying to handle every aspect of their projects or responsibilities alone.
Although, the main idea of the book is inspiring and powerful, the book does come across as promotion of Sullivan’s Strategic Coach program, which might be off-putting for some readers.
While the book is relatively short, it still feels somewhat wordy and could have been more concise. Many chapters follow a predictable pattern: a story about Mr. X who faced a challenge, found a “Who,” achieved success, and then helped the “Who” in return. This repetition can make the narrative feel formulaic at times.
Additionally, there are numerous one-liners throughout the book that seem disconnected from the surrounding text. While these sentences are mostly quotable, their placement can feel abrupt and unrelated to the passage before or after.
Despite these critiques, the book is filled with examples that showcase how leaders and entrepreneurs have leveraged this mindset. By engaging with the right “Who,” you not only save time and energy but also unlock a level of creativity and collaboration that propels your goals further than you could imagine on your own.
For readers seeking to achieve more while doing less, Sullivan’s book is a great read. It offers a liberating perspective that not only boosts productivity but also enhances personal fulfillment by allowing you to focus on what you do best and rely on others for the rest.
I would rate it 4/5 for its mostly thought-provoking content.
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Reviewed in the United States on November 10, 2024
