How much does this cost to the nearest dollar?

Airoak for Shop Vac Bags 5-8 Gallon Dust fliter Bags, 8 Pack Vacuum Shop-Vac Type, Type E/H,Vacuum Replace Part #90671 90661 906-61 Disposable Filter
Airoak 4Pack Disposable Collection Bag Type E for Shop Vac 5-8 Gallon Vacuum Capacity Shop Vac 5, 6, 7, and 8 gallon vacuum cleaner Replace Part#Type E 90661, / #Type H 90671, Inner diameter About 2.55 inches Item Dimension About L x W x H cm) Package included 4Pack Dry Vacuum Bags Fit for 5-8 Gallon vacs, Part #Type

Price is $31.00

Price: $31