NEW Bath & Body Works CRYSTAL BURST SCENT CONTROL™ NIGHTLIGHT AND BUTTERFLY WALLFLOWERS FRAGRANCE REFILL This Crystal Burst Nightlight is so pretty & versatile, I would use it year round. Perfect for every (and any) room. Pairs with your favorite Wallflowers fragrance refills. Original price - $27.90 What it does: wafts your favorite, always-on fragrance into any room, just the way you like it. Why you'll love it: Totally adjustable with 3 intensity levels to fit every room. Provides roughly more than 1 month of fragrance on low setting. My last refill in a scent control lasted 8 weeks on high.