Detonate Horse Wormer $15.53 – $278.30 incl. GST General purpose equine wormer. Effectively controls gastrointestinal roundworms, including the arterial stages of strongylus vulgaris, small strongylus, lungworm and bots. NEXT SHIPMENT ARRIVING DECEMBER 2023 PLEASE NOTE: This product is classed as DANGEROUS GOODS and NZ Couriers cannot deliver to a rural address. If your address is rural you will need to pick up from your local NZ Courier depot. Select options