Beduan 3/8" Male Spiral Cone Atomization Nozzle Stainless Steel(316) Dust Remove Atomized Sprayer for Gas Cooling, Washing, Fire Proof (Pack of 3) - - Amazon.com
Spiral Nozzles - Type B9S - Spiral Spray Nozzle, Spiral Jet Spray Nozzles, Spiral Nozzle Spray Pattern, Spiral Spray & More - Spraytech Systems
Spiral nozzles - US series
Amazon.com: Horiznext NPT 1/2 spiral aerator lawn, stainless steel 316 hose sprayer nozzle atomizer,for garden, dust removing, fire proofing, gas and liquid cooling,(5 pcs) : Patio, Lawn & Garden