In stock. Pick up Carbon Activated Air Filter For Cloth Masks for $8.99 (was $20). 2 sizes. Pack of 10 Filters. Shipping is $3.99 for the first item and $0.99 for each additional item. US only. Seller usually ships within 6 business days. Ships no later than Tue, Jun 2. This one is from Jane and good for a limited time.