LakeAir MAX-Guard-S420 Electrostatic Floor Cannabis Air Purifier

The MAX Guard S420 delivers the largest smoke removal volume of any cannabis air purifier in the LakeAir 420 series — 1,500 CFM through a washable electrostatic filter that lasts 20+ years with simple dishwasher cleaning. Paired with a dual-chamber Cannablend and carbon system (1,000+ grams), this floor-standing unit handles the heaviest consumption environments. Dual German reverse-curve blowers provide the airflow, heavy-duty casters provide the portability.

Key Features

• Washable electrostatic filter — 97% at 0.1 micron, dishwasher-safe, 20+ year life
• 1,500 CFM — largest smoke removal volume of any 420-series unit
• Dual-chamber Cannablend + carbon system — 1,000+ grams targeting cannabis terpenes
• No replacement HEPA cost — only replace Cannablend every 3–6 months
• Dual German reverse-curve blowers rated 50,000 hours
• Heavy-duty casters — fully portable, no installation
• Variable speed from 40–69 dB(A) at 15 ft
• 14-gauge steel — 70–80 lbs

Technical Specifications

• CFM: 1,500
• CADR: 1,450
• Filtration: Washable Electrostatic (97%) + 1,000g Dual-Chamber Cannablend/Carbon
• Dimensions: 26" x 22" x 14"
• Weight: 70–80 lbs
• Sound Level: 40–69 dB(A) @ 15 ft
• Power: 120V @ 3 amps
• Warranty: 7-Year Limited

Backed by a 30-day money-back guarantee and a 7-year limited warranty. American-made in Racine, Wisconsin with free shipping to the lower 48 states.