Add to Cart Compare Quick view Alco-Screen® / Alco-Screen® 02 Control Set Chematics, Inc. MSRP: Now: $49.25 Was: Alco-Screen® / Alco-Screen® 02 Control Set 2 x 4ml bottles (1 positive control, 1 negative control) for use with Alco-Screen® and Alco-Screen® 02 products MSRP: Now: $49.25 Was: Add to Cart Compare Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $49.25 Was: Subtotal: Add to Cart