# Which whole house air purifier is best for removing allergens and pet dander? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

Which whole house air purifier is best for removing allergens and pet dander?

## Products

### HDX 61201.011625 Ultimate Allergen Pleated Air Filter FPR 12 MERV 13, 16in x 25in x 1in
```yaml
product: hdx-61201-011625-ultimate-allergen-pleated-air-filter-fpr-12-merv-13-16in-x-25in-x-1in
brand: HDX
price_gbp: 17.73
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
filter_types: Pleated, electrostatic
```

- **Price:** £17.73 [^1]
- **Summary:** This is a 16in x 25in x 1in disposable pleated air filter with an FPR 12 rating and MERV 13 efficiency. Its electrostatic construction is designed for residential HVAC systems and improved allergen filtration.
- **Ideal For:** It suits homes seeking allergen and pet-dander reduction because its pleated electrostatic design and MERV 13 rating provide high-efficiency filtration for particles circulating through a whole-house HVAC system.

### Filterbuy AFB20x20x1M13pk4 Health Defense Pleated HVAC AC Furnace Air Filters Replacement, 20in x 20in x 1in MERV 13, 4-Pack
```yaml
product: filterbuy-afb20x20x1m13pk4-health-defense-pleated-hvac-ac-furnace-air-filters-replacement-20in-x-20in-x-1in-merv-13-4-pack
brand: Filterbuy
price_gbp: 35.47
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
filter_types: Pleated electrostatic HVAC, AC, furnace and heat pump filter
maximum_particle_size_capture: 0.3 microns
```

- **Price:** £35.47 [^2]
- **Summary:** This 4-pack contains 20in x 20in x 1in MERV 13 pleated filters with an actual size of 19.5in x 19.5in x 0.75in. The synthetic media captures 98% of airborne particles, including dust, pollen, mold, smoke and pet dander, making it suitable for residential or commercial HVAC systems.
- **Ideal For:** It suits whole-house allergen and pet-dander removal because its MERV 13 synthetic media captures 98% of particles as small as 0.3 microns, including pollen, fine dust, mold spores and pet dander.

---
## References & Sources
[^1]: The Home Depot, accessed 2026-09-13. https://www.homedepot.com/b/Heating-Venting-Cooling-Air-Filters/Electrostatic/Smoke/N-5yc1vZc4kwZ1z19a8gZ1z20yqb
[^2]: The Home Depot, accessed 2026-09-13. https://www.homedepot.com/p/Filterbuy-20-in-x-20-in-x-1-in-MERV-13-FPR-10-Health-Defense-Pleated-HVAC-AC-Furnace-Air-Filters-Replacement-4-Pack-AFB20x20x1M13pk4/337699499