Accessories

Plug-N-Play™ 42mm Cap

Water Storage Accessory
4.5
Rated 4.5 out of 5 stars
65
$11.00
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Material

  • POM, Stainless Steel

Weight

17.8 g / .063 oz

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Plug-N-Play™ 42mm Cap
Plug-N-Play™ 42mm Cap
Plug-N-Play™ 42mm Cap
Plug-N-Play™ 42mm Cap

Product Details

Quickly connect a drink tube to your HydraPak Seeker or HydraPak water bottle for versatile backcountry use with the Plug-N-Play™ cap. Use inside your pack like a hydration reservoir, strap outside like a bottle, or quickly setup a gravity feed at camp.

Camping

Weight

17.8 g / .063 oz

Material

  • POM, Stainless Steel

Reviews

4.5
Rated 4.5 out of 5 stars
Based on 65 reviews
Reviews Summary
This cap transforms water storage and filtration with its quick-connect design. Users praise its versatility—converting bottles into hydration bladders, connecting to water filters like the Sawyer Squeeze, and enabling one-handed filling. Many reviews highlight seamless connections with no leaks and easy attachment/detachment. The turn-lock mechanism provides satisfying tactile feedback. Some note the cap can be tricky to operate with cold fingers or one hand, and a few report compatibility issues with certain bottle brands or debris causing the mechanism to stick. Overall, customers find it practical for hiking and backcountry use, though a couple mention the cap can detach during vigorous movement.
89%would recommend this product
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65 reviews
  • T
    T.R.
    Verified Buyer
    Reviewing
    Plug-N-Play™ 42mm Cap
    I recommend this product
    How old are you? 55 to 64
    What is your gender? Male
    Rated 5 out of 5 stars
    7 months ago
    Great Solution to a common problem

    This cap is such a great way to handle water without spiling half of it while you filter. Literally plug & squeeze with my Mini Sawyer.

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  • AC
    Anonymous C.
    Verified Buyer
    Reviewing
    Plug-N-Play™ 42mm Cap
    I recommend this product
    Rated 5 out of 5 stars
    7 months ago
    5 Stars

    5 Stars

    Was this helpful?
  • D
    domlazz
    Verified Buyer
    Reviewing
    Plug-N-Play™ 42mm Cap
    I recommend this product
    Rated 5 out of 5 stars
    1 year ago
    If you want a half bottle/half bladder, get this

    This is a great lid to use with a drink tube. Just invert the water bottle and you've got a bladder. Great for hiking. I also like how it seals itself off nicely when the tube isn't inserted.

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  • RV
    Rob V.
    Verified Buyer
    Reviewing
    Plug-N-Play™ 42mm Cap
    I recommend this product
    Rated 5 out of 5 stars
    1 year ago
    Works perfectly

    Purchased this adapter to connect a 2 L Hydrapak Seeker (42 mm) to a popular water filter (28 mm). I use the 28 mm threaded adapter so it can all connect and filter water directly from the Seeker.

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  • S
    SteveB
    Verified Buyer
    Reviewing
    Plug-N-Play™ 42mm Cap
    I recommend this product
    How old are you? 65 or over
    What is your gender? Male
    Rated 5 out of 5 stars
    1 year ago
    Innovative and effective

    Great innovative design. Easy to attach and detach the hose. No leakage in my trial.

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