Product Description
Overflow Siphon
Email to a friend
SKU: GF-330108
Categories: Accessories, Filtration
Need Help?
Not sure if this is the product for you or interested to know what discounts are available? Complete the form below and we'll get back to you.

ยฃ300 Deposit - Secure Your System At Today's Price
Click Here for more information
Related Products
Minimax-Filterยฎ internal rainwater filter with curved outlet. Minimal height offset with maximum water yield!
£248.80 Ex VAT
Add to basket
Graf Optimax Filter External offers cleaning performance with maximum water yield.
£485.00 Ex VAT
Add to basket
This pack contains various labels that are required to comply with Water Regulations when using Rainwater Harvesting.
£15.50 Ex VAT
Add to basket
Filter to fit in-line on input side of any pump with a male G1" inlet. Big 1 litre capacity. Must be used submerged to filter incoming water and protect the pump mechanism.
£23.40 – £27.80Price range: £23.40 through £27.80 Ex VAT
Select options
This product has multiple variants. The options may be chosen on the product page
Rainwater Harvesting Filter Optimax-Pro. This is our preferred filter for the Graf Carat and Rondus tanks and it's self-cleaning. The filter combines an extremely low height offset of just 165mm, filter mesh of 0.35 mm and a water yield of over 95%
£306.20 Ex VAT
Add to basket
Rainwater filter - high volume, high efficiency storm filter for use with larger tanks installed underground and big roofs. Rainwater filter for roof areas to 450 m2. Self cleaning. Low maintenance intervals. Filter insert is easily removed for cleaning.
£329.00 Ex VAT
Add to basket
(Length) 4m x 100mm (Diameter) - Black.
The amazing, award winning Hedgehog Gutter Brush is a fantastic product designed to keep gutters and drains clear of leaves, twigs, sticks, birds etc. The Hedgehog Gutter Brush is simple to fit and lasts for years!
Rainwater Harvesting Filter for inline filtration of rainwater in tanks both above and below ground. DN 100 and suitable for 150m2 roof water collection.
£166.00 Ex VAT
Add to basket
Rainwater filter for large roof areas. The Twin Filter can be installed in chambers underground or directly on the wall kept frost free. Usually installed in standard 1000mm manholes.
£674.00 – £792.00Price range: £674.00 through £792.00 Ex VAT
Select options
This product has multiple variants. The options may be chosen on the product page
Ultra Violet Sterilisation Systems Domestic Range
£241.00 – £573.00Price range: £241.00 through £573.00 Ex VAT
Select options
This product has multiple variants. The options may be chosen on the product page
Rainwater Harvesting labelling fully conforms to BS8515:2009 colours and WRAS (Water Regulations Advisory Scheme) recommendations.
£10.00 – £28.50Price range: £10.00 through £28.50 Ex VAT
Select options
This product has multiple variants. The options may be chosen on the product page


