Assembled Product Length: N/A Assembled Product Height: N/A Assembled Product Width: N/A . Save money and the enviroment by re-using the Jiffy Greenhouse by refilling with new pellets • Each pellet is designed to fit any of the Jiffy Professional Greenhouses HH #5121-102 & HH #5121-106 or Jiffy Windowsill Greenhouse HH #5121-103