Keep your industrial tubing systems secure and functional with this #5 Winter Blow Thru Expansion Plug designed for 1-inch tubes. This specialized hardware plug features an integrated Schrader valve, making it ideal for pressure testing, purging, or temporary sealing applications. The expansion plug provides a reliable seal while the blow-through capability offers controlled pressure release when needed. Perfect for maintenance crews and industrial applications, this plug delivers dependable performance in various settings. The durable construction ensures a tight fit, while the Schrader valve allows for easy pressure monitoring and adjustment. Whether you're working on HVAC systems, process piping, or other industrial applications, this expansion plug offers the versatility and reliability needed for professional results. The LHBP5 model is specifically engineered for 1-inch tube applications, providing precise fitment and optimal sealing capability. Lamprey Hardware #5 Blow Thru Winter Plug MFG # LHBP5