LUNINO K2 HEPA Air Purifier (White, Dual Sided)

How often do I need to replace the HEPA filter?

The main HEPA filter typically lasts 12-18 months with regular use. The washable pre-filter extends this lifespan by capturing larger particles before they reach the HEPA media. Clean the pre-filter every 2-3 weeks by washing with water or vacuuming. The unit will indicate when the main filter needs replacement through reduced airflow performance.

What room size can this air purifier effectively cover?

The LUNINO K2 covers up to 3000 square feet effectively. The dual-sided intake design processes more air volume than single-sided units. For optimal performance in very large spaces, position the unit centrally where air can circulate freely around both intake sides. Smaller rooms will see faster air cleaning cycles.

How loud is this air purifier during operation?

On the lowest setting, the K2 operates at just 15 decibels - virtually silent. Medium speeds produce minimal noise suitable for bedrooms or offices. Higher speeds generate more sound but remain reasonable for daytime use. The automatic mode adjusts speed based on air quality, running quietly when air is clean and increasing speed only when needed.

Can I wash both filters or just the pre-filter?

Only wash the removable pre-filter with water. The main HEPA filter should never be washed as water damages the filtration media. The carbon layer within the HEPA filter also cannot be cleaned with water. Vacuum the pre-filter gently if you prefer not to wash it. Replace the main HEPA filter when airflow decreases noticeably.

Does the PM2.5 display show accurate readings?

The built-in PM2.5 sensor provides real-time particle concentration readings. While not laboratory-grade precise, it accurately shows relative changes in air quality. You'll see numbers increase when cooking, cleaning, or when pets shed, then decrease as the purifier cleans the air. This gives you practical feedback on air quality improvements.

Will this remove cooking odours and pet smells?

Yes, the dual-sided HEPA filtration combined with activated carbon layers effectively removes cooking odours, pet smells and smoke. Users report cooking smells clearing within 20 minutes of operation. The automatic sensors detect odour particles and increase fan speed accordingly. Pet hair and dander are captured by the washable pre-filter.

How much electricity does this air purifier use?

The K2 uses minimal electricity, especially on lower speed settings. The AC-powered motor is designed for continuous operation without significant impact on electricity bills. Higher speeds consume more power but only operate when air quality sensors detect contamination. The automatic mode optimises power consumption by running at minimum effective speeds.

Is assembly required and how difficult is setup?

Setup is straightforward with minimal assembly required. Remove packaging materials, install the filter (comes pre-installed) and plug into a standard AC outlet. The touch controls are intuitive - simply press power and select your preferred mode. The unit begins operating immediately, with the PM2.5 display showing current air quality readings within minutes.