Dm fit apl m series push fit plugs dm fit apl08m an 8mm blanking plug for push fit tube couplers from the dm fit apl m seriesthe plugs are manufactured from safe non toxic materials meeting the requirements of the us fda wras ansinsf 51 61 and sk zert they are widely used in water purification foodbeverage and pneumatic systems dm fit pneufit d apl08m pneumatic push fit plug stem diameter 8mm