PURAFILTER
Frequently asked questions
Common questions about PURAFILTER from 3G Electric.
What is the MERV rating of PURAFILTER pleated air filters?
PURAFILTER pleated air filters in the 3G Electric catalog are rated MERV 13. This rating indicates the filter captures a high percentage of particles in the 0.3 to 10 micron range, including dust, pollen, mold spores, and smoke. MERV 13 filters are commonly used in commercial and industrial HVAC systems where improved indoor air quality is required. They are not HEPA filters, which have higher efficiency and different pressure drop characteristics. The MERV 13 rating is based on ASHRAE Standard 52.2 test methods.
What sizes of PURAFILTER MERV 13 pleated air filters are available?
The available sizes include 12x24x1, 16x20x1, 24x24x4, 14x20x1, 12x24x4, 12x24x2, 20x25x4, and 14x20x2 inches. These are nominal dimensions; actual dimensions may vary slightly. The depths are 1, 2, and 4 inches. This range covers many common HVAC filter rack sizes. For specific dimensional tolerances, refer to the manufacturer's data or contact 3G Electric for assistance with cross-referencing.
What materials are used in PURAFILTER MERV 13 pleated air filters?
PURAFILTER MERV 13 pleated air filters use synthetic media and a beverage board frame. The synthetic media is designed to maintain filtration efficiency and is not washable. The beverage board frame provides structural support and is a standard material for disposable pleated filters. This construction is suitable for dry HVAC applications. The filters should not be used in high-moisture environments where the frame could degrade. Replacement is recommended when the filter reaches its recommended pressure drop or according to a maintenance schedule.
Are PURAFILTER MERV 13 filters suitable for LEED projects?
Some PURAFILTER MERV 13 models, such as the 20x25x4 inch filter (MPN 20254MV13), carry a LEED/Green designation. This may contribute to credits under the LEED green building certification program, particularly for indoor environmental quality. However, credit eligibility depends on the specific project requirements and other factors. Consult the LEED rating system and the filter's documentation for details. Not all PURAFILTER models have this designation. Verify with 3G Electric or the manufacturer for the specific model.
How do I select the correct PURAFILTER replacement filter for my HVAC system?
To select the correct PURAFILTER replacement filter, first determine the required nominal size and depth of your existing filter rack. Measure the actual dimensions of the current filter to ensure compatibility. Verify the required MERV rating; PURAFILTER MERV 13 filters are suitable where higher efficiency is needed. Check the media and frame materials for compatibility with your system. The manufacturer part numbers, such as 12241MV13 for the 12x24x1 size, can be used for cross-referencing. 3G Electric can assist with identifying the correct part number based on your specifications.
What is the pressure drop of PURAFILTER MERV 13 pleated air filters?
Pressure drop varies with face velocity, filter size, and loading. For specific pressure drop data, refer to the manufacturer's technical documentation for each model. As a general guideline, MERV 13 filters have a higher initial pressure drop than lower MERV ratings. System designers should account for this when specifying filters. 3G Electric can provide access to available technical data. Regular monitoring of pressure drop is recommended to determine filter change intervals. Consult the HVAC system specifications for allowable pressure drop ranges.
