If in doubt about compatibility of a specific fluid, contact the supplier of the fluid to check for any adverse reactions to the pumps wetted materials. The 400 Series Pump Is Compatible With The Following Fluids (all 1997 formulations used in North America) Aatrex 4L® Ammonium Sulfate Antifreeze Apron® Assure II® Atrazine 4L Banvel® Bicep® Blazer® Broadstrike®+Dual® Broadstrike® +Treflan® Caustic Soda (50%) Clarity® Conclude® Dividend® Doubleplay® Dual® Eptam 7E® Fallowmaster® Flexstar® Flexstar® Frontier® Fultime® Furadan® Fusion® Galaxy® Gramoxone Extra® Guardsman® Harness Xtra® Hydraulic Oil Karate® Laddock S-12® Lasso Micro Tech® Marksman® Maxim® Methyl Parathion Motor Oil Nufos® Phosphoric Acid Poast® Potash Princep 4L® Prowl® Pursuit® Reflex® Rezult® Roundup® Sodium Hydroxide 50% Squadron® Surpass 100® Topnotch® Touchdown® Transmission Fluid 100®     The 400 Series Pump Wetted Parts Materials Fluorocarbon Polypropylene Polypropylene SantopreneTM 300 Series Stainless Steel Buna-N > The 400 Series Pump Is Not Compatible With The Following Fluids (all 1997 formulations used in North America) Very strong acids Any fluid with a flash point below 100°F such as GASOLINE OR ALCOHOL If in doubt about compatibility of a specific fluid, contact the supplier of the fluid to check for any adverse reactions to the following wetted materials: The 400 Series Pump Wetted Parts Materials Fluorocarbon Polypropylene Polypropylene SantopreneTM 300 Series Stainless Steel Buna-N