Platypus
GravityWorks™ Carbon Element
Sold by the people who make it — no third-party seller in between.
Manufacturer list price (MSRP)
$29.95
Retailer prices change, so we show the manufacturer list price and link out for you to check the current price.
RidgeNote is reader-supported: if you buy through the retailer links below, we may earn an affiliate commission at no extra cost to you. As an Amazon Associate I earn from qualifying purchases.
Overview
Add a carbon stage of filtration to any Platypus GravityWorks water filter to help reduce flavors, odors and organic compounds from your water.
Specs
- Brand
- Platypus
- Weight
- 33 g · 1.2 oz
- Type
- abs
Weight vs. category
61% lighter than the category average.
How it measures up
Against every one of the water bottles & reservoirs in the RidgeNote register with a published figure. Manufacturer-listed; sources and dates are on this page.
- Weight
- 1.2 oz (33 g)
- Lighter than 85% of 13 weighed · #2 lightest
- -57% vs the median 2.7 oz
- Price
- $29.95
- Cheaper than 24% of 17 priced · #13 cheapest
- +30% vs the median $23.00 · $25.73/oz (median $10.23/oz)
The lightest of the water bottles & reservoirs on record is Platypus PlatyPreserve™ at 0.8 oz — 10 g less and $15.00 less.
The cheapest is Gossamer Gear Smart Water Bottle Upgrade Kit at $5.00 — $24.95 less.
RidgeNote verdict
Similar — lighter or cheaper
Compared with
Side by side on weight, list price and cost per ounce.
Related reading
The Complete Beginner Backpacking Gear List
Everything you actually need for your first overnight, from our own catalogue — with the honest budget math and where to buy it.
Best Lightweight Backpacking Tents (2026)
The eight shelters in our catalogue, ranked by published weight, floor area, and list price — with an honest reason to skip every one of them.
Best Sleeping Pads for Backpacking 2026
Fourteen pads from R 1.3 to R 7.7, compared on the manufacturers’ published insulation and weight figures — air, self-inflating, and foam, with a reason to skip each.
Manufacturer list price (MSRP)
$29.95