I forgot to mention you need to cut off the yellow locking tips off the end of the red great stuff straws in order to fit inside of the 3/16" tubing. The earlier clear nozzles are too large in diameter to fit inside of the 3/16 i.d. tubing (sold at hardware stores anywhere, see pic). The pvc piping is 1/2", cut so that you have about 4" sticking out of the end and tape it securely, this for super far impossible to reach areas such as some rim joists. I did mention that the can will not spray unless upside down, which is one reason to use extension hose.

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