1. Touch 'n Seal Gun Foam II Fireblocking Polyurethane Foam Sealant, 24 oz Can, Orange (Click Link to Check Price on Amazon)
Editor's Rating : 8.8 out of 10
Bright orange polyurethane, moisture-curing, expanding foam sealantApproved Type V Residential Fireblock Penetration sealant for use around pipes and conduits

2. Lord Fusor Sprayable Seam Sealer and Coating Dispensing Gun Fus-312 (Click Link to Check Price on Amazon)
Editor's Rating : 9.3 out of 10
Change from spray texture to bead (tips and nozzles included)Fully adjustable atomization controls

3. DeVilbiss 802343 Auto Painting/Priming Kit (Click Link to Check Price on Amazon)
Editor's Rating : 9.2 out of 10
Auto Painting/Priming SystemBasecoat, Clearcoat and Topcoat Spray Gun

4. Critter Spray Products 22032 118SG Siphon Gun (Click Link to Check Price on Amazon)
Editor's Rating : 8.9 out of 10
Compressor-mounted spray gun kit requires 3 cfm at 90 psi

5. TCP Global Brand Pro Hvlp Multi-purpose Spray GUN with 1.5 Nozzle/tip/regulator (Multi-purpose Gun) (Click Link to Check Price on Amazon)
Editor's Rating : 9 out of 10
TCP Global Brand High Performance HVLP Spray Gun with a 1.5 mm Fluid Tip, 1 Liter Aluminum Cup and a Air RegulatorThe 1.5 mm Fluid Tip is Ideal for Full Atomization when Spraying Clear-coats, Single Stage, Primer Sealers and other Light to Medium Viscosity Materials.