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GRUBER� |
About the Gruber 48 GPM suction cover. | |
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These 1980's vintage suction covers screw onto the (3 inch wide) OUTSIDE THREADED EDGE of the
suction flange shown at left. The solid metal covers measure 3 3/8" OD and the plastic ones slightly
more (3 5/8"). All original models are discontinued, with none left anywhere! Our stock is limited
to that shown below. Note the four posts with sets of 2 holes each. Coincidentally, another suction cover, by Hydro Air™, has 3 screw holes which match up perfectly to 3 of these holes! The metal version fits perfectly, but the plastic version requires drilling and counter sinking two extra holes. Smaller size screws will be reuired (if ordering for this purpose, please REQUEST THE SMALLER SCREWS!). Little guide on how to use the adapter. |
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