HIFROM TM 2pcs Snap In Primer Bulb Fit For Stihl Homeliter Ryobi Echo Walbro Trimmer Zama Mcculloch Poulan Weed Trimmer Brush New Aftermarket 1. New high quality aftermaket replacement parts 2. Fit for Carburetors that are with the snap in primer assembly for Stihl Homeliter Ryobi Echo Walbro Trimmer Zama Mcculloch Poulan Weed 3. Package included : 2pcs Snap In Primer Bulb 4. HIFROM focus on provide high quality products at fair price: from Professional Factory; if you unsatisfy with our product, you can return to our USA warehouse, no risk.