20% OFF WITH CODE WELCOME20

Use code WELCOME20 at checkout

20% off with code WELCOME20 →

×

PHILTER logo

LAB-TESTED AIR PURIFICATION • OVER 35,000 HAPPY CONSUMERS

LAB-TESTED AIR PURIFICATION • OVER 35,000 HAPPY CONSUMERS

Control Your Exhale.

Control Your Exhale.

Consume without compromising your comfort or the comfort of others.

Consume without compromising your comfort or the comfort of others.

Black PHREND with flowers
Black PHREND with flowers

Patented Microfiltration Technology eliminates odors and 99.75% of toxins in smoke and vapor, so you can enjoy your session without guilt, lingering smell, or stepping outside.

Patented Microfiltration Technology eliminates odors and 99.75% of toxins in smoke and vapor, so you can enjoy your session without guilt, lingering smell, or stepping outside.

Lab Verified • Minimal Back-Pressure • Portable

Lab Verified • Minimal Back-Pressure • Portable

★★★★★ 4.9/5 Rating

★★★★★ 4.9/5 Rating

GET 20% OFF

GET 20% OFF

30-Day Clean Air Guarantee · Fast, Discreet Shipping

30-Day Clean Air Guarantee · Fast, Discreet Shipping

Black PHREND with flowers

Your Exhale Lingers For 30 Minutes. And Travels 20 Feet.

MIT / Virginia Tech

01

51%

of adults actively dislike the smell of smoke in public or shared spaces.

02

56.4%

of consumers faced social scrutiny or guilt over secondhand smoke before switching to Philter.

03

03 / UNSEEN SCIENCE

(Measured spread)

30 Min

20+ Ft

Exhaled particulates stay suspended in shared air for 30 minutes and travel over 20 feet.

MIT / Virginia Tech

>

>

THE RESOLUTION

Meet PHREND

99.75%

particulate elimination down to 0.3 microns

SGS lab-verified, captured at the point of exhale — the world’s first patented 5-stage microfiltration device.

Your Exhale Lingers For 30 Minutes.
And Travels 20 Feet.

MIT / Virginia Tech

51%

of adults actively dislike the smell of smoke in public or shared spaces.

56.4%

of consumers faced social scrutiny or guilt over secondhand smoke before switching to Philter.

THE RESOLUTION

Meet PHREND

99.75%

particulate elimination
down to 0.3 microns

SGS lab-verified, captured at the point of exhale — the world’s first patented 5-stage microfiltration device.

Why Over 35,000 People PHILTER

Why Over 35,000 People PHILTER

Why Over 35,000 People PHILTER

Control Smoke & Odor

Captures smoke, vapor, and smell at the point of exhale.

Control Smoke & Odor

Captures smoke, vapor, and smell at the point of exhale.

Lab-Tested Microfiltration Technology

Patented 5-stage filtration, independently verified.

Lab-Tested Microfiltration Technology

Patented 5-stage filtration, independently verified.

Eliminates 99.75% of Toxins

Removes viruses, bacteria and other toxins found in smoke and

vapor.

Eliminates 99.75% of Toxins

Removes viruses, bacteria and other toxins found in smoke and

vapor.

Consume Without Compromise or Guilt

Stay where you are — no bad weather, no stepping away.

Consume Without Compromise or Guilt

Stay where you are — no bad weather, no stepping away.

Clean Air For Loved Ones

Keeps the air clean for the family, pets, and partners in the room.

Clean Air For Loved Ones

Keeps the air clean for the family, pets, and partners in the room.

Pocket-Sized Portability

Under 3 inches, fits in a pocket or purse, ready to go where you go.

Pocket-Sized Portability

Under 3 inches, fits in a pocket or purse, ready to go where you go.

PHREND in use

THE DEVICE

PHREND product detail
PHREND light green product detail
Black PHREND with flowers
Light green PHREND with flowers
Black PHREND product detail
Light green PHREND product detail
Black PHREND product detail
Light green PHREND product detail

★★★★★

4.8 · 35,000+ customers

PHREND

Turn your exhale into odorless, clean air.

$31.99

$37.99

SAVE 20%

20% off your first order, applied at checkout.

About seven cents each time you would have gone outside, cracked a window, or just held it in.

Color

GET YOUR PHREND →

30-DAY CLEAN AIR GUARANTEE

Try PHREND and if you don't love your clean air, tell us within 30

days and we'll send you a full refund.

REPLACEABLE FILTER INCLUDED

Good for up to 500 exhales. Easy-to-replace biodegradable filter included.

PHREND product detail
PHREND light green product detail
Black PHREND with flowers
Light green PHREND with flowers
Black PHREND product detail
Light green PHREND product detail
Black PHREND product detail
Light green PHREND product detail

★★★★★

4.8 · 35,000+ customers

PHREND

Turn your exhale into odorless, clean air.

$31.99

$37.99

SAVE 20%

20% off your first order, applied at checkout.

About seven cents each time you would have gone outside, cracked a window, or just held it in.

Color

GET YOUR PHREND →

30-DAY CLEAN AIR GUARANTEE

Try PHREND and if you don't love your clean air, tell us within 30

days and we'll send you a full refund.

REPLACEABLE FILTER INCLUDED

Good for up to 500 exhales. Easy-to-replace biodegradable filter included.

Five Stages of Patented Filtration

Independently verified — engineered as an appliance, not an accessory.

PHILTER advanced micro-engineering render

01

Ergonomic Sealed Mouthpiece

Creates an effortless seal for controlled capture.

04

HEPA Micro-Mesh

Traps fine particulates down to 0.3 microns.

05

Clean, Odorless Output

Releases a filtered exhale with no lingering cloud.

02

Aerodynamic Impactor

Smooth-flow geometry minimizes breathing resistance.

03

Extruded Carbon Core

Adsorbs odor compounds before they enter the room.

12 Granted Patents

UTILITY + DESIGN

BAT

JOINT DEVELOPMENT

SGS

LAB CERTIFIED

THE BACK-PRESSURE QUESTION

Engineered with an aerodynamic impactor for zero back-pressure — delivering a smooth, natural-feeling exhale every time.

PHILTER exploded parts render

01

02

03

04

05

ENGINEERING

Five Stages of Patented Filtration

Independently verified. Groundbreaking Microfiltration Technology.

PHILTER exploded parts render

Ergonomic Sealed Mouthpiece

Aerodynamic Impactor

Extruded Carbon Core

HEPA Micro-Mesh

Clean, Odorless Output

PHILTER exploded parts render

Ergonomic Sealed Mouthpiece

Aerodynamic Impactor

Extruded Carbon Core

HEPA Micro-Mesh

Clean, Odorless Output

PATENTED AIRFLOW TECHNOLOGY

Engineered with an aerodynamic impactor for minimal back-pressure — delivering a smooth, natural-feeling exhale every time.

Five Stages of Patented Filtration

Independently verified — engineered as an appliance, not an accessory.

PHILTER advanced micro-engineering render

01

Ergonomic Sealed Mouthpiece

Creates an effortless seal for controlled capture.

04

HEPA Micro-Mesh

Traps fine particulates down to 0.3 microns.

05

Clean, Odorless Output

Releases a filtered exhale with no lingering cloud.

02

Aerodynamic Impactor

Smooth-flow geometry minimizes breathing resistance.

03

Extruded Carbon Core

Adsorbs odor compounds before they enter the room.

12 Granted Patents

UTILITY + DESIGN

BAT

JOINT DEVELOPMENT

SGS

LAB CERTIFIED

THE BACK-PRESSURE QUESTION

Engineered with an aerodynamic impactor for zero back-pressure — delivering a smooth, natural-feeling exhale every time.

Five Stages of Patented Filtration

Independently verified. Groundbreaking Microfiltration Technology.

PHILTER advanced micro-engineering render

01

Ergonomic Sealed Mouthpiece

Creates an effortless seal for controlled capture.

04

HEPA Micro-Mesh

Traps fine particulates down to 0.3 microns.

05

Clean, Odorless Output

Releases a filtered exhale with no lingering cloud.

02

Aerodynamic Impactor

Smooth-flow geometry minimizes breathing resistance.

03

Extruded Carbon Core

Adsorbs odor compounds before they enter the room.

PATENTED AIRFLOW TECHNOLOGY

Engineered with an aerodynamic impactor for minimal back-pressure — delivering a smooth, natural-feeling exhale every time.

Consume Without Compromise.

Consume Without Compromise.

Take control of your air with Philter. Enjoy without the trade-offs.

No more secondhand smoke worries

Cleans the air at the point of exhale — for pets, kids, and partners.

No more choosing between your comfort and theirs

Stay in the room and in the moment.

No more lingering indoor odor

Keep your couch, clothes, and living space fresh.

No more outdoor banishment

Stop stepping out into freezing rain, cold, or extreme heat.

GET 20% OFF

Real Results From Real Sessions

Real Results From Real Sessions

★★★★★

“My partner doesn’t smoke and used to hate the smell. Philter completely solved it.”

KATHRYN W. · HOME & PARTNER

★★★★★

“My partner doesn’t partake and used to hate the smell. Philter completely solved it.”

KATHRYN W.

★★★★★

“I use this every night on the couch with zero smell or issues from neighbors.”

ISABEL L. · APARTMENT RENTER

★★★★★

“I use this every night on the couch with zero smell or issues from neighbors.”

ISABEL L.

★★★★★

“A massive upgrade. Works on flower and vapes with a smooth, natural exhale.”

JAMES B. · LONG-TERM CONSUMER

★★★★★

“A massive upgrade. Works on flower and carts with a smooth, natural exhale.”

JAMES B.

Black PHREND with matches

Frequently Asked Questions

How long does each filter cartridge last?

Does it feel hard to exhale through (back-pressure)?

Does it work for both flower and vapor?

What if it doesn’t work for me?

Take Control Of Your

Take Control Of Your

Exhale Today.

Exhale Today.

Join 35,000+ consumers who consume without compromise, guilt, or weather banishment.

Join 35,000+ consumers who consume without compromise, guilt, or weather banishment.

For a limited time, start with 20% off.

For a limited time, start with 20% off.

Lab tested

Patented Tech

Fast, discreet shipping

Support

PHILTER

YOUR CLOUD. YOUR CALL.

© 2026 PHILTER LABS. ALL RIGHTS RESERVED.