How much does this cost to the nearest dollar?

AIRDOCTOR AD3000 Genuine Replacement Pre-Filter Removes Larger Contaminants like Dust and Animal Hair | MADE BY AIRDOCTOR
AirDoctor's pre-filter for pollen and other allergens, pet dander, animal hair, cigarette, cigar and wildfire smoke can be washed or vacuumed. Check and clean it regularly to extend the life of your other filters. Change it every 6 months, depending on use and environmental conditions. The AIR Doctor Ultra hepa replacement filter is a powerful air cleaner designed to capture ultra-fine PM 2.5 particles from the air at 0.003 microns. That is 100 times smaller than the HEPA standard and more powerful than most other premium HEPA filters! The AirDoctor professional portable air purifier provides triple protection with its Ultra

Price is $25.00
Price: $24.95