does this not filter out heavy metals?

No "filter" does. Only water "purifiers" do that. LifesStraw's bag system (about $55) is a purifier though.

What type of plastic is the bottle made of?

The thick plastic of the bottle itself is soft, allowing one to squeeze the bottle in order to take a drink. The cap is made of harder plastic.

how many gallons of water total can one micro filter element in this unit filter, Are replacement micro filters available?

I did not know the answer to either question, so I referred to Google. Depending on the source, the replaceable filter is good for 264-500 gallons. I also found a recommendation that it should be replaced annually.

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LifeStraw Peak Series — Collapsible Squeeze Bottle Water Filter System BPA Free - 650 ml for Trail Running, Camping, Hiking, Travel, Cycling, and Fishing; Dark Mountain Gray

Product ID: 410215939

Details

Bottle Type
Collapsible
Brand
LifeStraw
Capacity
650
Color
Dark Mountain
Material
Plastic

💧650 ml collapsible squeeze bottle

🦠99.999999% bacteria protection

🛡️2x thicker ultra-durable materials

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¥11771

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💧 Stay hydrated, stay unstoppable — filter your adventure!

PACKABLE POWERHOUSE - Ultra-compact, collapsible design weighs under 4 oz—perfect for minimalist trail runners and adventurers.
IMPACT WITH EVERY SIP - Every purchase provides safe water to a child in need for a full school year—hydrate with purpose.
BUILT TO BRAVE THE WILD - 2x thicker premium materials ensure leak-proof durability through every rugged journey.
VERSATILE HYDRATION SYSTEM - Use as a bottle, straw, or connect to other Peak Series gear—adapt your water your way.
ULTIMATE CLEAN WATER ON THE GO - Filters out 99.999999% of bacteria & 99.999% of parasites for pure hydration anywhere.

The LifeStraw Peak Series is a BPA-free, 650 ml collapsible squeeze bottle water filter that removes 99.999999% of bacteria, 99.999% of parasites, and microplastics. Engineered with a reconfigured membrane and backwash accessory, it maintains high flow and superior filtration. Ultra-lightweight and extremely durable with 2x thicker materials, it’s designed for trail running, hiking, cycling, and more. Versatile and leak-proof, it doubles as a bottle, straw, or connects to other Peak Series systems. Plus, each purchase supports safe water access for children worldwide.

Specifications

ASIN	B09SBP8LY9
Additional Features	Durability
Age Range Description	Kid
Best Sellers Rank	#3,878 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #203 in Water Bottles
Bottle Type	Collapsible Bottle
Brand Name	LifeStraw
Capacity	650 Milliliters
Color	Dark Mountain Gray
Container Type	Bottle
Customer Reviews	4.4 4.4 out of 5 stars (2,095)
Finish Types	Matt
Global Trade Identification Number	07640144286347
Included Components	Water bottle filter system
Item Dimensions W x H	4.8"W x 8.7"H
Item Type Name	Outdoor water filter
Item Weight	102 Grams
Manufacturer	LifeStraw
Manufacturer Part Number	LSPSFXMLAN1
Manufacturer Warranty Description	Manufacturer Warranty
Material Type	Plastic
Material Type Free	Bisphenol A (BPA) Free
Model Name	Peak
Model Number	LSPSFXMLAN1
Number of Items	1
Number of Packs	1
Product Care Instructions	Hand Wash Only
Recommended Uses For Product	Outdoor
Reusability	Reusable
Shape	Round
Sport Type	Cycling, Running, fishing, hiking
Style Name	Squeeze
Unit Count	1.0 Count

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