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    Customer Reviews
    4.4 Based on 14 Reviews
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    hao n.
    United States United States
    Good Product

    I like the design and the way it looks. Cleaning the inside of this product can be a bit challenging and time consuming.

    420 Science GRAV Upline Upright Bubbler Review
    Use it to abuse it!

    What can I say? This thing hits like beast! The best thing is you can take huge hits from this and not worry about any consequences. The 3 ring design looks beautiful and catches a lot of the impurities while the 3 rings near the mouthpiece prevents backsplash. The cup like design is pretty unique with thick glass for durability, grasping it feels right and secure no slippage whatsoever. Cleaning is easy as long as your on top of it just let the hot water run through it then use alcohol to remove specs that stick. If you want a unique piece that deliver hits to the dome then this is what your looking for. It’s also a pretty good conversation starter if you’re out being social!

    Tacy W.
    United States
    Grav Upline Upright Bubbler

    This piece of glass is as advertised. The shipping and packaging were great. The glass is strong and has nice air flow. The only issue I have had with this piece is getting all the condensation out after cleaning and in between uses. This is not a function issue. I use this glass with a vape only, so it does not get dirty. I just rinse with hot water and air dry. Overall I can not complain about this glass and would recommend it to anyone. I also would reccomend 420 Science as a safe and good company to do business with. Thank you 420 science. I will be ordering from you again soon.

    Lord of the Rings

    I liked the unique dome shape and artistic touch of Grav's Upline pipes. I regret nothing!!!! The "rings" rule; they are aesthetically pleasing and create a cool cone-shape of bubbles when in use. It also makes a deeper "glug-glug" sound you might only hear from larger pieces ;-) I'm big on keeping a clean piece, and after a month of daily use, I've had no problem keeping it looking clean and fresh.