+- Exit Valve KitFlexineb1 Review Price: $41.99 Quantity discounts available QuantityPrice Prescription Info ID : Prescription Pet : Prescription Authorization : Prescription Vet : Frequency : Every Week Every 2 Weeks Every 3 Weeks Every Month Every 5 Weeks Every 6 Weeks Every 7 Weeks Every 2 Months Every 9 Weeks Every 10 Weeks Every 11 Weeks Every 3 Months Every 4 Months Every 5 Months Every 6 Months Every 7 Months Every 11 Months Every 12 Months Quantity -+ iDiscount Eligibility DescriptionThe Exit Valve Kit is a replacement piece for the Flexineb Horse Nebulizer system. The exit valve is located at the bottom of the mask and is designed to allow airflow out of the mask when the horse exhales. This piece should be closed during use so that the horse receives all the aerosolized medication, but can be opened if needed when first introducing the mask system. This piece is removable and washable for repeated use.DetailsFeatures:Replacement piece for the Flexineb Horse NebulizerAllows airflow out of the mask when the horse exhalesShould be left closed during treatment so the horse inhales all necessary medicationMay be left open the first few uses to get the horse used to the systemRemovableWashableCautionDo not leave horses unattended while using the Equine Nebulizer. Reviews 5 Back Ratings & Reviews 1 review 5 stars 1 reviews 4 stars 0 reviews 3 stars 0 reviews 2 stars 0 reviews 1 star 0 reviews Filter By DateBy RatingAll Reviews5 Star Reviews4 Star Reviews3 Star Reviews2 Star Reviews1 Star Reviews 11/10/2025 4:57 pm Easy Replacement by Declan Replacing the exit valve was quick and hassle-free. Everything fits perfectly, and it restores the device to like-new performance. Very satisfied with this upgrade.