Delvotest Cattle Penicillin 5 ppb Control, 6-Pack Size:6/box Physical Insect Barrier: Lightweight mesh

Physical Insect Barrier: Lightweight mesh helps shield against biting insects and flying pests while riding

Replacement nipples and valves are available and sold separately

Low impedance • Designed specifically for large pastures

known for its softness and suppleness

Stainless steel hardware is rust-resistant for long-term use

Delvotest Cattle Penicillin 5 ppb Control, 6-Pack Size:6/box Physical Insect Barrier: Lightweight meshDelvotest Penicillin 5 ppb Control, Box of 6 Vials Controls are an important component of any testing to ensure correct results. Gives you the assurance you need for the validity of your milk testing. Positive or negative controls available. (The positive control contains pencillin G at 5 ppb.) 6 count box.