Home / Instruments and General / Estrus Alert Stickers 50’s Estrus Alert Stickers 50’sRegister/Login for Pricing. Estrotect Colour Choose an optionBlueGreenPinkRedYellowClear Stock Availability Item available at the following warehouse(s) - Select Location - backorders_allowed Estrus Alert Stickers 50's quantity Add to cart SKU: ESTRUS Categories: Identification, Instruments and General Product ID: 15995 Additional information Additional information Colour Blue, Green, Pink, Red, Yellow Related products Allflex Applicator (Flip Pin) (Green) Register/Login for Pricing. Add to cart Allflex Ear Tags – Sheep (Pack) Register/Login for Pricing. Add to cart Tablet Introducer Buster Kruuse (273090) – Single Register/Login for Pricing. Add to cart