- You cannot add "Hop Guard" to the cart because the product is out of stock.
Oxalic Acid Respirator
Limit your exposure to vaporized toxic fumes by using an oxalic acid respirator when you apply oxalic acid.
$61.79
Essential protection when applying oxalic acid through vaporization.
Includes one facepiece, plus one pair of replaceable cartridges, to offer the needed protection. Medium size will fit most faces.
Note: Not returnable after opening.