TeeJet ConeJet Polypropylene Adjustable Spray Tip. 11/16" Female Thread Rated 0.69 GPM @ 40 PSI 5500-PPB-X12 Polypropylene Conejet Adjustable Spray Tip The 5500 adjustable ConeJet tip is also available in a polypropylene version. The polypropylene tip has the same characteristics as the brass tip and provides excellent chemical resistance. This tip's light weight makes it well-suited for use on handheld and backpack type sprayers. Adjustable Conejet Nozzle Poly Black TeeJet ConeJet Polypropylene Adjustable Spray Tip. 11/16" Female Thread Rated 0.69 GPM @ 40 PSI 5500-PPB-X12 Polypropylene Conejet Adjustable Spray Tip The 5500 adjustable ConeJet tip is also available in a polypropylene version. The polypropylene tip has the same characteristics as the brass tip and provides excellent chemical resistance. This tip's light weight makes it well-suited for use on handheld and backpack type sprayers.