Therm-a-Rest® - Sleeping Pads, Bags & Outdoor Comfort

AutoFlow™ Replacement Filter Cartridge

AutoFlow™ Replacement Filter Cartridge - Main image
$48.48 $76.95 In stock

Category: Replacement & Repair Parts

Keep your MSR AutoFlow XL Gravity Filter system performing at its best with this AutoFlow Replacement Filter Cartridge. Designed as a direct replacement component, this cartridge helps maintain efficient water filtration during your outdoor adventures.

  • Replacement filter cartridge specifically for the AutoFlow XL Gravity Filter system
  • Compatible with MSR AutoFlow XL systems for convenient field maintenance
  • Essential spare part for extended trips or emergency backup
  • Simple to install, helping you get back to filtering water quickly
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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Delivery costs

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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Returning an item

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.4 / 5 · 5 reviews)

Alexander ★★★★★

Swapped the old cartridge out on my gravity setup and the flow was noticeably faster on the first trip out. It clicks in the same as the original, no leaks, no fuss. Nice to know I can keep the filter running instead of buying a whole new system.

Riley U. ★★★★★

Was dreading replacing the cartridge but it snapped in just like the original and I was filtering water again in under two minutes. Same steady stream filling my bottle on the first trip out, no priming hassle. Nice to know the whole gravity setup keeps going instead of buying a new system.

Amelia U. ★★★★★

Swapped this in before a four-day backcountry trip and the flow rate stayed strong right through the last liter. It clicks into the housing exactly like the original, no leaks or fiddling. Nice to know I can just replace the cartridge instead of buying a whole new gravity setup.

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