Grainfather GF30 Self Sealing Coupler SKU: 990003012912A self sealing coupler with sealing plastic o-ring, for use with the GF30 Conical Fermenter. $19.95PriceGST Included41PINTS SaverQuantity*Out of StockNotify When AvailableNo Reviews YetShare your thoughts. Be the first to leave a review.Leave a Review