Description Insert 22" square pad in transmission drain funnels or larger oil drain pans before oil change to eliminate oil splatter Porous material allows fluid to quickly pass through into funnel or pan. Pad material resists engine oil, transmission fluid, coolant, brake fluid, brake cleaner, gear oil and other solvents. 22" fits all standard transmission drain funnels and larger size drain pans Pad can be trimmed for perfect fit.