New Pig Burpless Poly Drum Funnel, For 30 and 55 Gal Steel & Poly Drums w/ 2&rdquo; NPT, Hinged Lid, 13.375&rdquo; Diam x 11&rdquo; H, Black, DRM680-BK Burpless design vents during pouring for fast, smooth flow with no dangerous splashback Lets you pour without venting through 3/4-inches bung, a possible closed container reg violation if left open Thick-wall, 100 percent polyethylene construction resists UV rays, rust, corrosion and most chemicals Lockable to prevent unauthorized access Multiple lid color options let you segregate drums