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Description
Force 3L DSLMade to handle whatever you throw at it, the ultra durable Force DSL 3L is engineered for demanding environments where reliability is essential. Its short, wide shape with Dual Shape Loc (DSL) baffles gives it a trim profile that fits in compact packs and plate carriers and delivers better balance and maneuverability in tight spaces. Heavyweight TPU material and welded seams give it a durable build, the rugged grab handle makes it easy to pull in and
Made to handle whatever you throw at it, the ultra-durable Force™ DSL 3L is engineered for demanding environments where reliability is essential. Its short, wide shape with Dual Shape-Loc™ (DSL) baffles gives it a trim profile that fits in compact packs and plate carriers and delivers better balance and maneuverability in tight spaces. Heavyweight TPU material and welded seams give it a durable build, the rugged grab handle makes it easy to pull in and out of packs, and the HydraFusion™ drink tube insulates and protects. Shielded by a dust cover, the bite valve delivers a strong stream, self-seals, and locks closed to prevent leaks.
- Compact & Comfortable: The short, wide design takes up minimal volume in packs and plate carriers and pulls weight closer to the body for better balance
- Comet™ Bite Valve & Dust Cover: Lightweight, self-sealing valve delivers a high flow and can be locked and unlocked with one hand
- Insulated Tube: Insulated HydraFusion™ drink tube keeps water cool when the weather is warm
- Universal Hangar: Compatible with clips, hooks and loops to fit a wide range of packs, including Osprey, CamelBak, Gregory, Mystery Ranch and 5.11 Tactical
- Heavy Duty: Heavyweight TPU, welded seams and an innovative design make for an abrasion-resistant, field-ready reservoir
- Low Profile: Dual Shape-Loc™ baffles hold a trim profile for improved maneuverability in tight spaces and less impact on pack volume
- Beyond Lifetime Guarantee
- Capacity: 3 L / 100 fl oz
- Weight: 183 g / 6.5 oz
- Dimensions: 355 mm x 230 mm / 14 in x 9.1 in
- Filtration: 28mm Filter Kit Compatible
- Material: TPU, ABS, POM, PP, EPDM, Silicone, 304SS, TPU Coated Nylon Fabric
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4.6 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 3
Poor Editing - header misprint
Format: Paperback
Chapter 3 - 'Manipulation of Risk' header mislabeled as chapter 2
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Reviewed in the United States on January 10, 2023
★★★★★ 5
Wow!
Format: Paperback
I do not understand how the authors got so much information so comprehensibly into such a short book. It's 272 pages but it felt so short because the information is jam-packed in there and presented so well. It's one thing to know your stuff, it's a whole other ballgame to present it so people (without the level of training the author's have) can dive deep and really understand what you're saying and these authors nailed it. Great book, so interesting and easy to read.
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Reviewed in the United States on April 2, 2026
★★★★★ 5
"Don't Practice on Your Significant Other"
Format: Kindle
This book's authors have many years of experience interviewing CIA assets, CIA employees, and a variety of ordinary people in non-CIA settings. Their specialty is in determining when someone is lying. And they are good at it. This skill in detecting deception has done a lot of good, helping their clients make better decisions about hiring the right new employee, trusting the right baby sitter, and prosecuting the person who really "did it." Sometimes the skills bring pain, making clear that the waiting doctor's politeness covers bad news or that a spouse isn't really joking about "her boyfriend." Still, it's better to know, isn't it?
Detecting deception isn't magic and it isn't infallible. But it is possible to become better at it than most of us are now. The book identifies several barriers to accurately detecting deception. We expect most people to tell the truth, we ask the wrong questions, and we look for the wrong "tells" in other people's behavior. And we try to watch everything they do instead of focusing on a small number of reliable indicators.
Such reliable indicators of deception include certain kinds of verbal hesitations and evasions as well as specific body movements of which a deceiver is largely unaware. Readers learn to ask questions that require different mental processing from guilty versus innocent suspects. One technique is to ask questions a good guy will answer with an immediate--and perhaps angry--"No!" while the bad guy will need to give a longer, more carefully worded response. We watch for deception indicators that begin in the first five seconds after a question. And we look for clusters of indicators rather than for single actions. There is more to it, of course, but this is the core methodology the book presents. It's good stuff. And it's learnable.
I attended a training session conducted by the authors' company (QVerity, in partnership with hemsleyfraser) this week. I had listened to roughly three-quarters of the audiobook during a long car ride the day before. Based on what I learned from the book I was able to do well in the video pre-test, successfully distinguishing a lying suspect from the four who told the truth. Almost everyone was also able to do this after two hours of training. So it seems to me that the book is nearly as valuable as being taught these skills by the authors themselves. It is a well-written, fascinating book on a very useful topic. I highly recommend it.
A final comment. The book closes with a warning to use these skills only for good. And to not practice them on our significant others. Apparently catching your spouse in all of those little white lies can put unnecessary stress on the relationship. I may have made a variation of this error by giving my wife a copy of the book and inviting her along to the training. Not sure that was such a good idea. We'll see.
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Reviewed in the United States on July 20, 2012
★★★★★ 4
My honest review of the book . Spy The Lie
Format: Paperback
Spy the Lie" by Philip Houston is a practical and fascinating guide that teaches you how to spot deception using the same proven techniques developed by the CIA. Instead of looking for unreliable body language "clues," it focuses on identifying specific verbal and non-verbal behaviors that people show when they are feeling the stress of a lie. It’s written in very clear, everyday language with plenty of real-world examples, making it a great tool for anyone who wants to communicate more effectively and know who they can really trust.
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Reviewed in the United States on February 4, 2026
★★★★★ 5
A must have for, among others, clinical physicians and -especially- mental health experts
Format: Paperback
Very good book. The authors state in a clear and unambiguous way several "tips" that may help us detect deceptive behaviors. They repeat the points, making them easier to "stick". What's interesting is how simple they appear in their application; we are not talking about mathematical topology...The glossary completes admirably the book. Would I read it again? Definitively (a quality "seal" for me). As a physician (psychiatrist) I would definitively suggest it to all physicians that perform clinical work, but, above all, to psychiatrists...
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Reviewed in the United States on May 19, 2026