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Filter Enhancement System

The GPS Air PF-e is an indoor duct mounting filter enhancement system. The Opti-Lok™ technology improves an air filters ability to capture sub-micron particles, making it more efficient. It’s low profile design allows for mounting on typical outdoor air and return ducts.

OptiLok Logo_dark grey

Get More Out of Your Filters
and Reduce Harmful Particles

Protect your indoor air from pollutants and fine particles. Opti-Lok boosts your air filter's performance, capturing even the finest sub-micron particles, for ultimate efficiency.
Protect Indoor Air Quality from Wildfire Smoke

Improve particle removal, like smoke, so you get the most from your filters.

Filter Enhancement Technology Testing

Real world testing of Opti-Lok™ filter enhancing technology at a hospital.

Test Rig
Improving Filters in Commercial Building

Testing shows up to 85% performance boost of Opi-Lok™ compatible filters.

Specifications & Resources


Airflow Capacity: 0 - 3,500 CFM

Compatible Filter Types: Electrostatic Filters Using Synthetic Media


Unit Dimensions: 5.4” L x 5.4” W x 3.8” H (overall), 2.0” H (in-duct)

Unit Weight: 1.1 lb

Electrical Specifications

Input Voltage: 24-240 VAC

Power Consumption: 11W (standard operation), 14W (cleaning cycle)

Frequency: 50/60HZ

Alarm Contact Rating: 250 VAC / 1A, N.O. “dry” contact

Electric Listings: UL, cUL


Compliance & Certifications

Compliance & Certifications: UL 867, UL 2998, FCC Part 18

Environmental Specifications

Temperature Range: –20° F to 140° F

Humidity Range: 20–90% RH (non-condensing)