Blue Performance Hatch Cover - 70x70cm 85806 J8 It has a loud 85

It has a loud 85 decibel alarm with red warning light

Adequate ventilation on the cover

150mm deep

Quick connection fittings are included as standard for ease of pump installation

Blue Performance Hatch Cover - 70x70cm 85806 J8 It has a loud 85Hatch Cover Hatch covers prevent the deterioration and crazing of hatch acrylic and can provide a blind for the night. Water, mould and mildew resistant Stretch border with elastic straps for a neat fit Secure with shock cord and toggle around the rim Part Model Dimensions 85801 Hatch Cover 1 28 x 28 cm 85802 Hatch Cover 2 33 x 33 cm 85803 Hatch Cover 3 45 x 45 cm 85804 Hatch Cover 4 50 x 50 cm 85805 Hatch Cover 5 58 x 58 cm 85806 Hatch Cover 6 70 x