Yes, SPRAYS is a Scrabble word!

Letter values in Scrabble US: S 1, P 3, R 1, A 1, Y 4, S 1.

Is it a valid word?

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

a pesticide in suspension or solution; intended for spraying
a quantity of small objects flying through the air
flower arrangement consisting of a single branch or shoot bearing flowers and foliage
a dispenser that turns a liquid (such as perfume) into a fine mist
water in small drops in the atmosphere; blown from waves or thrown up by a waterfall
a jet of vapor

Not playable in Scrabble US: NEBULISER.