Yes, FUNNELS is a Scrabble word!

Letter values in Scrabble US: F 4, U 1, N 1, N 1, E 1, L 1, S 1.

Is it a valid word?

FUNNELS is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

a conical shape with a wider and a narrower opening at the two ends
a conically shaped utensil having a narrow tube at the small end; used to channel the flow of substances into a container with a small mouth
(nautical) smokestack consisting of a shaft for ventilation or the passage of smoke (especially the smokestack of a ship)

Also: funnel shape.