AMS HT Filament Retraction Assembly $11.99 AMS HT Filament Retraction Assembly quantity Add to cart SKU: BBL-578086747199401987 Categories: AMS (Automatic Material System), General Accessories Description Description Related products AMS Feeder Unit (Hall) $34.99 Add to cart AMS lite Stand $19.99 Add to cart AMS Bottom Cover Unit $59.99 Add to cart AMS Feeding Funnel $7.99 Add to cart