Inspection covers from HOLT. HT 537 Allows access to remote areas - behind bulkheads, inside water tanks or under decks.
Holt hatch covers have an overlapping outer lip, ensuring that both the inner rim and also the fixing holes are sealed giving water tight security without the need for extra sealant. Not supplied with rubber O rings however rubber sealing rings are available separately if considered necessary.
Cut out diameter: 157mm
Opening size: 145mm
Fastenings required: 9 x 3mm
Colours available: white or black
Select colour from pick list and add to basket.
Holt: Holt Hatch Inspection covers (screw in) - Medium Black or white
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